Saturday, 20 August 2011

PET preform market

PET preform market
Share/Bookmark

PET preform market

pet preform Product developments in sparkling waters will direct bottle engineering projects towards barrier performance (CO2, O2, vitamins, natural flavourings) as opposed to light weighting initiatives, which will favour lighter weight monolayer solutions over heavier multilayer bottles.pet preform manufacturers household chemicals the trends are about inter-material competition. HDPE is the dominant polymer within this market. However, with the substantial reduction in price differential between polyolefins and PET, PET bottles continue to grow their market penetration.Colgate-Palmolive was the first to switch to PET and Procter & Gamble too has converted all dishwasher products (i.e. Fairy Liquid) and fabric conditioners to PET bottles in Europe, substituting HDPE. Other leading fillers in Germany have also converted.Yet within companies such as Unilever, Procter & Gamble, and Colgate-Palmolive, the balance of polymers is still broadly 75:25 in favour of HDPE versus PET. This presents a significant substitution opportunity for PET in applications and bottle sizes that don’t require a handle or are not subject to tight cost constraints. While growth prospects in general may be promising, the business remains challenging for raw material suppliers and converters alike in Europe. The forward focus for fillers is resource-efficient supply, driving the market toward on-site manufacturing options be it HTW (hole-through-the-wall), self manufacture, or blow moulding of preforms. This is limiting the ability of traditional converters to add value, while for European resin suppliers this is mainly a commodity business increasingly threatened by cheaper Asian and Middle East imports.

Share/Bookmark

Wednesday, 17 August 2011

Indian Plastic Portal

Indian Plastic Portal
Share/Bookmark

pet preform importers

                               pet preform manufacturers
The prime objective of pet preform importers is to create an atmosphere of International kinship amongst the worldwide business community. Since inception Pet Preform manufacturers through its latest strategies and innovative marketing methods, offers cost effective services to the Manufacturers, Entrepreneurs and Business minded people to globalize their sales and marketing operations, gain valuable international exposure for their products, services and company, sourcing new customers and markets and achieving economy in marketing.

Management fully endorses the above policy and is dedicated to ensure it by offering following customized assistance: -

    * Sourcing Buyers, Sellers, Appointing Agents.
    * Identifying joint venture/foreign collaboration, partners and Agreements.
    * Liaison services offered for opening office of the foreign companies in India .
    * Opening office for the Indian companies – abroad.
    * Develop, Implement, customized International marketing strategy for clients for the promotion of their products, services in specific Country/ Area.
    * Act as platform to organize Buyers- Sellers meet.
    * Make periodical visits abroad.
    * Identify new markets and avenues.
    * Imparting high quality knowledge by undertaking foreign trade management courses via Distance Education Programs.
      Click here to know about our How to Export and How to Import
    * To design and offer “ Export Procedure” most suitable for the manufacturing units interested to enter into Exports
    * Training Executives. One- to-One training.

Share/Bookmark

Tuesday, 16 August 2011

cost of pet preform mould

cost of pet preform mould
Share/Bookmark

cost of pet preform mould

                                Pet Preform manufacturers  
Mega machinery Mold is China professional pet preform mold manufacturer, supplier and maker. Along with the increasing demand for PET container, the requirement of PET preform has accordingly become more and more, which leads many investors to set foot on the PET preform production field. To meet the different requirements for the PET preform manufacturers, PET preform molds from different customers, Mega has successfully developed advanced hot runner preform mold from 1 cavity to 48 cavities for standard neck PET. Its wide utilization and reliable property with the economic investment, the shortest production startup time and the lowest maintenance cost make PET preform mold be most popular among preform manufacturers. Now we do have 2 series prefrom tool designs, one of series adopts rectifying system for preform’s wall thickness, and another series is standard structure.With decades’ design and manufacture experience, Mega Machinery designs not only preform with standard neck size for water bottle, carbonated drink bottle and oil bottle, also design preform of special shape responding to customer’s request. Mega adopts a wide range of computer-aided engineering service from design conception to the finished products to make customer satisfied.

Share/Bookmark

Friday, 12 August 2011

BOTTLE PROCESSING EQUIPMENT

BOTTLE PROCESSING EQUIPMENT
Share/Bookmark

Thursday, 11 August 2011

pet preform exporters

pet preform exporters
Share/Bookmark

pet preform exporters

                               pet preform manufacturers  
Pet Preforms Companies from India. Find various types of Pet Preforms like Pet Bottles Preforms, Pet Jars Preforms, Pet Flakes Preforms, pet preform manufacturers and various containers Preforms from India. Find wide range of Pet Preforms and provide make various sizes and length as per costumers requirements. Find High quality and Competitive price Offers of Pet Preforms. Find verified listing of Pet Preforms, Pet Preform Manufacturers, Suppliers, Exporters and Sellers from India.Pet preforms caps, pet preforms closures are manufactured at its state-of-the-art ISO 9001:2008 and Quality certified facilities strengthened by the world-class equipments.Winley Polymers can supply all sorts of customized precision injection molding requirements at best rates.We also undertake suitable jobs for blowing any type of bottles.With more many 20 years production history and some special technique as well as continually improvement, our leno circular looms are very popular in both domestic and international market. After continual innovation for the looms we have acquired many national patent. Our high speed four shuttle mesh bag circular loom machine can weave the mesh bag for fruit, vegetable, potato etc. This multifunt....

Share/Bookmark

Wednesday, 10 August 2011

PLASTIC MOLD

There has been evidence found suggesting that Egyptians and Babylonians blew plastic materials[citation needed], but Ferngren and William Kopitke were the first verified people who used the Blow Molding Process.  PLASTIC MOLD The process principle comes from the idea of blowing glass. Ferngren and Kopitke produced a blow molding machine and sold it to Hartford Empire Company in 1937. PET preform manufacturers in india This was the beginning of the commercial blow molding process. During the 1940s the variety and amount of products were still very limited and therefore blow molding did not take off until later. Once the variety and production rates went up the amount of products created followed soon there after. In the United States soft drink industry the amount of Plastic Mold containers went from zero in 1977 to ten Billion in 1999. Today even a greater amount of products are blown and it is expected to keep increasing.
PET plastic mold, For amorphous metals, also known as bulk metallic glasses (BMGs), blow molding has been recently demonstrated under pressures and temperatures comparable to Plastic Blow Molding. This technique allows molding BMGs with an about 50 times higher strength than plastics into shapes that were previously not achievable with crystalline metals.

Share/Bookmark

Saturday, 6 August 2011

PET Bottled Water

PET Bottled Water has been described as "one of the greatest cons of the 20th century" and as "marketing's answer to the emperor's new clothes".
Husky Pet Preforms is a world leader in plastics technology, specializing in PET for beverage packaging products.
PET Bottled Water has come under criticism in recent years for the environmental impacts of groundwater extraction, the energy and environmental costs of the plastic packaging and transportation costs, and concerns about water quality and the validity of some marketing claims. One criticism of PET Bottled Water concerns the packaging. PET Bottled Water commonly is packaged in PET preform suppliers, which requires a significant amount of energy to produce. While PET is recyclable, only a fraction of plastic bottles made from PET are actually recycled[citation needed]. For example, in the United States, according to a NAPCOR study,[8] water bottles account for 50% of all the PET bottles and containers collected by curbside recycling, and the recycling rate for water bottles is 23.4%, an increase over the 2006 rate of 20.1%.

Share/Bookmark

BOTTLED WATER

BOTTLED WATER is drinking water, carbonated water, mineral water, distilled water, spring water, artesian well water, or de-ionized water packaged in plastic bottles or glass bottles. Sizes range from small single serving PET BOTTLES to large carboys for water coolers.
Bottled noncarbonated drinking water competes in the marketplace with carbonated beverages sold in individual plastic bottles. PET Preform manufacturers in india Consumption of water often is considered a healthier substitute for sodas.
According to the Container Recycling Institute, sales of flavored, noncarbonated drinks are expected to surpass soda sales by 2010. In response, Coca-Cola and PepsiCo have introduced new carbonated drinks that are fortified with vitamins and minerals, Diet Coke Plus and Tava, marketed as "sparkling beverages."
BOTTLED WATER may have reduced amounts of copper, lead, and other metal contaminants since it does not run through the plumbing pipes where tap water is exposed to metal corrosion, however, this varies by the household and plumbing system.
A number of companies worldwide have vending machines that dispense purified water into customer's own containers.

Share/Bookmark

Friday, 5 August 2011

Husky Injection Molding

Husky Injection Molding (British English: moulding) is a manufacturing process for producing parts from both thermoplastic and thermosetting plastic materials. Material is fed into a heated barrel, mixed, and forced into a mold cavity where it cools and hardens to the configuration of the mold cavity. After a product is designed, usually by an industrial designer or an engineer, molds are made by a moldmaker (or toolmaker) from metal,Husky Pet Preforms usually either steel or aluminum, and precision-machined to form the features of the desired part.
Husky Injection molding machines consist of a material hopper, an injection ram or screw-type plunger, and a heating unit. They are also known as presses, they hold the molds in which the components are shaped. Presses are rated by tonnage, which expresses the amount of clamping force that the machine can exert. This force keeps the mold closed during the injection process. Tonnage can vary from less than 5 tons to 6000 tons, with the higher figures used in comparatively few manufacturing operations. The total clamp force needed is determined by the projected area of the part being molded. This projected area is multiplied by a clamp force of from 2 to 8 tons for each square inch of the projected areas. As a rule of thumb, 4 or 5 tons/in2 can be used for most products. If the plastic material is very stiff, it will require more injection pressure to fill the mold, thus more clamp tonnage to hold the mold closed. The required force can also be determined by the material used and the size of the part, larger parts require higher clamping force.


Share/Bookmark

Monday, 1 August 2011

plastic plate flakes

plastic plate flakes
Share/Bookmark

plastic plate flakes



                                        Pet Preforms  
bottle flakes n order to save costs, an increasing number of polyester intermediate producers like spinning mills, strapping mills or cast film mills are working on the direct use of the PET-flakes, from the treatment of used Pet Preforms bottles, with a view to manufacturing an increasing number of polyester intermediates. For the adjustment of the necessary viscosity, besides an efficient drying of the flakes, it is possibly necessary to also reconstitute the viscosity through polycondensation in the melt phase or solid-state polycondensation of the flakes. The latest PET flake conversion processes are applying twin screw extruders, multi-screw extruders or multi-rotation systems and coincidental vacuum degassing to remove moisture and avoid flake pre-drying. These processes allow the conversion of undried PET flakes without substantial viscosity decrease caused by hydrolysis.Looking at the consumption of PET bottle flakes, the main portion of about 70% is converted to fibers and filaments. When using directly secondary materials such as bottle flakes in spinning processes, there are a few processing principles to obtain.

High speed spinning processes for the manufacture of POY normally need a viscosity of 0.62–0.64 dℓ/g. Starting from bottle flakes, the viscosity can be set via the degree of drying. The additional use of TiO2 is necessary for full dull or semi dull yarn. In order to protect the spinnerets, an efficient filtration of the melt is, in any case is necessary. For the time being the amount of POY made of 100% recycling polyester is rather low because this process requires high purity of spinning melt. Most of the time a blend of virgin and recycled pellets is used.

Share/Bookmark

BOTTLE PROCESSING EQUIPMENT

There are two basic molding methods for BOTTLE PROCESSING EQUIPMENT, one-step and two-step. In two-step molding, two separate machines are used. The first machine injection molds the preform, which resembles a test tube, with the bottle-cap threads already molded into place. The body of the tube is significantly thicker, as it will be inflated into its final shape in the second step using stretch blow molding.
In the second step, the preforms are heated rapidly and then inflated against a two-part mold to form them into the final shape of the bottle. PET preforms manufacturers in india are now also used as containers for candy, and by some Red Cross chapters to distribute to homeowners to store medical history for emergency responders.
In one-step machines, the entire process from raw material to finished container is conducted within one machine, making it especially suitable for molding non-standard shapes (custom molding), including jars, flat oval, flask shapes etc. Its greatest merit is the reduction in space, product handling and energy, and far higher visual quality than can be achieved by the two-step system.
Polyethylene terephthalate, commonly abbreviated PET, PETE, or the obsolete PETP or PET-P, is a thermoplastic polymer resin of the polyester family and is used in synthetic fibers; beverage, food and other liquid containers; thermoforming applications; and engineering resins often in combination with glass fiber.

Share/Bookmark

Saturday, 30 July 2011

PET JAR & Preforms

                                     Pet Preform suppliers
PET JAR & Preforms is subject to various types of degradations during processing. The main degradations that can occur are hydrolytic, thermal and, probably most important, thermal oxidation. When PET Preform suppliers degrades, several things happen: discoloration, chain scissions resulting in reduced molecular weight, formation of acetaldehyde and cross-links ("gel" or "fish-eye" formation). Discoloration is due to the formation of various chromophoric systems following prolonged thermal treatment at elevated temperatures. This becomes a problem when the optical requirements of the polymer are very high, such as in packaging applications. The thermal and thermooxidative degradation results in poor processibility characteristics and performance of the material.One way to alleviate this is to use a copolymer. Comonomers such as CHDM or isophthalic acid lower the melting temperature and reducedegree of crystallinity of PET Preform suppliers (especially important when the material is used for bottle manufacturing). Thus the resin can be plastically formed at lower temperatures and/or with lower force. This helps to prevent degradation, reducing the acetaldehyde content of the finished product to an acceptable (that is, unnoticeable) level. See copolymers, above. Other ways to improve the stability of the polymer is by using stabilizers, mainly antioxidants such as phosphites. Recently, molecular level stabilization of the material using nanostructured chemicals has also been considered.

Share/Bookmark

Friday, 29 July 2011

PET bottle recycling

PET bottle recycling
Share/Bookmark

PET bottle recycling

 
                                  Pet preform suppliers 
The success of any Pet bottle recycling concept is hidden in the efficiency of purification and decontamination at the right place during processing and to the necessary or desired extent.Generally, the Pet Preforms following applies: the sooner foreign substances are removed, in the process, and the more thoroughly this is done, the Pet Preform suppliers more efficient the process is.The high plasticization temperature of PET in the range of 280°C is the reason why almost all common organic impurities such as PVC, PLA, polyolefin, chemical wood-pulp and paper fibers, polyvinyl acetate, melt adhesive, coloring agents, sugar and protein residues are transformed into colored degradation products which, in their turn, might release reactive degradation products additionally. Then, the number of defects in the polymer chain increases considerably. Naturally, the particle size distribution of impurities is very wide, the big particles of 60–1000 µm—which are visible by naked eye and easy to filter—representing the lesser evil since their total surface is relatively small and the degradation speed is therefore lower. The influence of the microscopic particles, which—because they are many—increase the frequency of defects in the polymer, is comparable bigger.

Share/Bookmark

PLASTIC BLOW MOLDING

PLASTIC BLOW MOLDING (also known as blow moulding or blow forming) is a manufacturing process by which hollow plastic parts are formed. In general, there are three main types of blow molding: extrusion blow molding, injection blow molding, and stretch blow molding. The blow molding process begins with melting down the plastic and forming it into a parison or preform. The parison is a tube-like piece of plastic with a hole in one end in which compressed air can pass through.
The parison is then clamped into a mold and air is pumped into it. The air pressure then pushes the plastic out to match the mold. PET preforms manufacturers in india Once the plastic has cooled and hardened the mold opens up and the part is ejected.
blow molding has been recently demonstrated under pressures and temperatures comparable to PLASTIC BLOW MOLDING. This technique allows molding BMGs with an about 50 times higher strength than plastics into shapes that were previously not achievable with crystalline metals.

Share/Bookmark

Thursday, 28 July 2011

pet preform pet

pet preform pet
Share/Bookmark

pet preform pet


                                 Pet Preform suppliers
PET Preform pet is hygroscopic, meaning that it absorbs water from its surroundings. However, when this 'damp' PET Preform pet is then heated, the water hydrolyzes the PET Preforms, decreasing its resilience. Thus, before the resin can be processed in a molding machine, it must be dried. Drying is achieved through the use of a desiccant or dryers before the PET Preform suppliers is fed into the processing equipment.Inside the dryer, hot dry air is pumped into the bottom of the hopper containing the resin so that it flows up through the pellets, removing moisture on its way. The hot wet air leaves the top of the hopper and is first run through an after-cooler, because it is easier to remove moisture from cold air than hot air. The resulting cool wet air is then passed through a desiccant bed. Finally the cool dry air leaving the desiccant bed is re-heated in a process heater and sent back through the same processes in a closed loop. Typically, residual moisture levels in the resin must be less than 5 parts per million (parts of water per million parts of resin, by weight) before processing. Dryer residence time should not be shorter than about four hours. This is because drying the material in less than 4 hours would require a temperature above 160 °C, at which level hydrolysis would begin inside the pellets before they could be dried out.PET Preform petcan also be dried in compressed air resin dryers. Compressed air dryers do not reuse drying air. Dry, heated compressed air is circulated through the PET pellets as in the desiccant dryer, then released to the atmosphere.

Share/Bookmark

Wednesday, 27 July 2011

Indian Plastic Portal

Indian Plastic Portal
Share/Bookmark

Indian Plastic Portal

                                   Pet preform manufacturer
We are offering our clients, 24 Cavity PET Preform Moulds,Specified Steel used for mould housing and Critical mould parts. Heat Treatment and Hardness provided to the mould. Most advanced tooling equipments used for machining, producing and finishing the mould. The Core, Cavity and Lip Cavity are interlocked for wall thickness consistency. Interchangeable mould parts. Improved cooling lines provide efficient and uniform conditioning.The expert team of our organization helps us in manufacturing and exporting an extensive range of Pet preform manufacturers Moulds. These perform moulds are used for pet performs. We ensure these are manufactured using high quality steel that is procured from most reliable and trusted vendors. Our range is also available in various designs and sizes to cater the varied needs and requirement of our clients. We use CNC machines for making them that result in high durability and efficiency.

Share/Bookmark

Tuesday, 26 July 2011

PET SPRAY BOTTLES

A PET SPRAY BOTTLES is a bottle that can squirt, spray or mist fluids. A common use for pet spray bottles is dispensing cool cleaners, cosmetics, and chemical specialties. Another wide use of pet spray bottles is mixing down concentrates such as pine oil with water. The actual spraybottles web site lists all kinds and sizes of pet spray bottles including custom printed PET SPRAY BOTTLES. The first trigger sprayer manufacturer was named AFA. An interesting note is that there is only one trigger sprayer manufacturer remaining in the US.
Unlike the rubber bulb dispenser which primarily moved air with a small amount of fluid, modern PET preforms manufacturers in india use a positive displacement pump that acts directly on the fluid. The pump draws liquid up a siphon tube from the bottom of the bottle, and the liquid is forced out a nozzle. Depending on the sprayer, the nozzle may or may not be adjustable, so as to select between squirting a stream, aerosolizing a mist, or dispensing a spray.
The dispensing is powered by the user's efforts in a PET SPRAY BOTTLES, as opposed to the spray can, in which the user simply actuates a valve, and product is dispensed under pressure, using a liquid that gasifies at room temperature and pressure such as propane/isobutane blends or Freon, or pressured gasses such as nitrous oxide or ordinary air.

Share/Bookmark

Monday, 25 July 2011

PET Bottle Making

PET Bottle Making
Share/Bookmark

PET Bottle Making


                                        Pet Preforms   
PET Bottle Making meaning that it absorbs water from its surroundings. However, when this 'damp' PET is then heated, the water hydrolyzes the Pet Preforms decreasing its resilience. Thus, before the resin can be processed in a molding machine, it must be dried. Drying is achieved through the use of a desiccant or dryers before the Pet Preforms is fed into the processing equipment.Inside the dryer, hot dry air is pumped into the bottom of the hopper containing the resin so that it flows up through the pellets, removing moisture on its way. The hot wet air leaves the top of the hopper and is first run through an after-cooler, because it is easier to remove moisture from cold air than hot air. The resulting cool wet air is then passed through a desiccant bed. Finally the cool dry air leaving the desiccant bed is re-heated in a process heater and sent back through the same processes in a closed loop. Typically, residual moisture levels in the resin must be less than 5 parts per million (parts of water per million parts of resin, by weight) before processing. Dryer residence time should not be shorter than about four hours. This is because drying the material in less than 4 hours would require a temperature above 160 °C, at which level hydrolysis would begin inside the pellets before they could be dried out.PET can also be dried in compressed air resin dryers. Compressed air dryers do not reuse drying air. Dry, heated compressed air is circulated through the PET pellets as in the desiccant dryer, then released to the atmosphere.Crystallization of polymers occurs when polymer chains fold up on themselves in a repeating, symmetrical pattern. Long polymer chains tend to become entangled on themselves, which prevents full crystallization in all but the most carefully controlled circumstances. PET is no exception to this rule; About 60% crystallization is the upper limit for commercial products, with the exception of polyester fibers. Besides, about 60% crystalline polymer about 40 % of the polymer chains remaining amorphous. Therefore PET is commonly called a semi-crystalline polymer.

Share/Bookmark

PLASTIC EXTRUSION

On the cutting edge of custom thermoplastic moulding and plastic profile extrusion since 1979, has achieved an exceptional level of quality and service in the plastic injection moulding and plastic PLASTIC EXTRUSION industry. At quality begins with our expert precision in-house tool and die department. These experienced craftsmen produce high quality tooling to ensure that your plastic parts are manufactured to your precise requirements.
Our business is different than a typical commodity shop. PET preforms manufacturers in india We have an acute awareness of the complexities of designing plastics. Quality parts, blanket order programs, part warehousing and Just in Time capabilities are only part of the total picture. Our quality assurance programs are in place to ensure our customer's satisfaction. All our products are designed with state-of-the-art CAD software, coupled with our in-house wire EDM machine capabilities, enable us to produce extremely complex and precise moulded parts and extrusion profiles.
Our large 50,000 square foot facility located in Toronto enables us to have the unique ability to meet your injection moulding and extrusion needs under one roof. With our 2 ½" and 3 ½" PLASTIC EXTRUSION lines, we have the capability to manufacture extrusions for any application. We have co-extrusion capabilities for dual and triple durometer extrusions as well as multiple extruded color combinations. Our numerous on-line cutters and punches allows Tangibles to offer customers a variety of cutting tolerances and slitting or punching capabilities. Our array of injection moulding machinery starts as small as 75 tonnes and up to 750 tonnes.

Share/Bookmark

Saturday, 23 July 2011

Bottle Making

Bottle Making
Share/Bookmark

Bottle Making

 
                                          Pet Preforms  
PET is transformed several times as it goes form PET pellet to preform. As a resin pellet, Pet Preforms is thermally crystallized to a level of 50% to 70% and PET appears white. During injection process, these crystals are melted, resulting in an amorphous melt, which is injected into preform mold cavities. Pet Preforms is clear and has a little strength or barrier properties. In the reheat stretch blow machine the material is forced by stretch rod and blow air to orient in axial and hoop direction forming small, strain-induced crystals. The bottle turns out clear and has higher strength or barrier properties.There are one ways of producing PET preform/bottle: one-stage “hot preform” method and two-stage “cold preform” method.The One-Step method -- from PET granule to finished bottle -- all processes are completed within one integrated machine. This means the injection-molded preform is taken off from the injection cavity while still hot enough to be stretch blown to form the bottle. No extra heating is required, and since preforms are freshly molded every time, there is no risk of surface damage during storage or transportation. Besides, there are many other advantages such as energy saving for reheating is not required; high productivity as cooling and reheating are not necessary; no pollution as human hand is out of reach. One-Step method is highly suited to small and medium scale production lines.

Share/Bookmark

THERMOPLASTIC POLYMER


Polycarbonates, known by the trademarked names Lexan, Makrolon, Makroclear and others, are a particular group of THERMOPLASTIC POLYMER. They are easily worked, moulded, and thermoformed. Because of these properties, polycarbonates find many applications. Polycarbonates do not have a unique plastic identification code and are identified.
THERMOPLASTIC POLYMER is a very durable material. PET preforms manufacturers in india Although it has high impact-resistance, it has low scratch-resistance and so a hard coating is applied to polycarbonate eyewear lenses and polycarbonate exterior automotive components. The characteristics of polycarbonate are quite like those of polymethyl methacrylate , but polycarbonate is stronger, usable in a wider temperature range but more expensive. This polymer is highly transparent to visible light and has better light transmission characteristics than many kinds of glass.
THERMOPLASTIC POLYMER has a glass transition temperature of about 150 °C (302 °F), so it softens gradually above this point and flows above about 300 °C (572 °F). Tools must be held at high temperatures, generally above 80 °C (176 °F) to make strain- and stress-free products. Low molecular mass grades are easier to mould than higher grades, but their strength is lower as a result. The toughest grades have the highest molecular mass, but are much more difficult to process.

Share/Bookmark

Friday, 22 July 2011

PET Preforms Exporter

PET Preforms Exporter
Share/Bookmark

INJECTION MOLDING SYSTEM

INJECTION MOLDING SYSTEM machines consist of a material hopper, an injection ram or screw-type plunger, and a heating unit.They are also known as presses, they hold the molds in which the components are shaped. Presses are rated by tonnage, which expresses the amount of clamping force that the machine can exert. This force keeps the mold closed during the injection process. PET preforms manufacturers in india  Tonnage can vary from less than 5 tons to 6000 tons, with the higher figures used in comparatively few manufacturing operations. The total clamp force needed is determined by the projected area of the part being molded. This projected area is multiplied by a clamp force of from 2 to 8 tons for each square inch of the projected areas. As a rule of thumb, 4 or 5 tons/in2 can be used for most products. If the plastic material is very stiff, it will require more injection pressure to fill the mold, thus more clamp tonnage to hold the mold closed.The required force can also be determined by the material used and the size of the part, larger parts require higher clamping force.
With INJECTION MOLDING SYSTEM, granular plastic is fed by gravity from a hopper into a heated barrel. As the granules are slowly moved forward by a screw-type plunger, the plastic is forced into a heated chamber, where it is melted. As the plunger advances, the melted plastic is forced through a nozzle that rests against the mold, allowing it to enter the mold cavity through a gate and runner system. The mold remains cold so the plastic solidifies almost as soon as the mold is filled.
The plastic INJECTION MOLDING SYSTEM industry has evolved over the years from producing combs and buttons to producing a vast array of products for many industries including automotive, medical, aerospace, consumer products, toys, plumbing, packaging, and construction Molding or moulding is the process of manufacturing by shaping pliable raw material using a rigid frame or model called a pattern.

Share/Bookmark

PET Preforms Exporter


                                         Pet Preforms  
vishal Pet Preforms is a prominent name in the Pet Preforms packaging industry. We manufacture a variety of Pet Preforms and PET bottles for several requirements of the global packaging industry. Our preforms are manufactured in various neck types, neck sizes, weights to suit to the requirement of the market.Strengthened with rich expertise in technology, we are led by a pool of experienced professionals to deliver tangible benefits. Through value-engineered PET preforms and PET bottles, our company offers a greater cost saving advantage to customers.At the helm of affairs are Mr.Ramnath Ashok, Director-Technical and Mr. C. Vijaykumar Surana, Director-Marketing, who have been instrumental in getting for the company the success it deserves in a short span of time.vishal Pet Preforms uses specifically recommended raw materials which conform to industrial norms. While processing the preforms, the company operates stringent quality controls at each phase of the production. Frequent chemical analysis assures the suitability of usage in end products. All these result in extremely reliable preforms.

Share/Bookmark

Thursday, 21 July 2011

PLASTIC ENGINEERING

PLASTIC ENGINEERING encompasses the processing, design, development, and manufacture of plastics products. A plastic is a polymeric material that is in a semi-liquid state, having the property of plasticity and exhibiting flow. Plastic PET preform manufacturers in india The nature of plastic materials poses unique challenges to an engineer. Mechanical properties of plastics are often difficult to quantify, and the plastics engineer has to design a product that meets certain specifications while keeping costs to a minimum.
In PLASTIC ENGINEERING, as in most engineering disciplines, the economics of a product plays an important role. The cost of a plastic product is measured in different ways, and the absolute cost of a plastic material is difficult to ascertain.
Some plastics are manufactured from re-cycled materials but their use in engineering tends to be limited because the consistency of formulation and their physical properties tend to be less consistent. Electrical and electronic equipment and motor vehicle markets together accounted for 58 per cent of engineered plastics demand in 2003. Engineered plastics demand in the US was estimated at $9,702 million in 2007.

Share/Bookmark

pet preforms systems

pet preforms systems
Share/Bookmark

pet preforms systems


                                           Pet Preforms  
Lower cost, higher quality and productivity, and the potential for lightweighting beyond anything yet seen are benefits claimed for a new continuous compression molding process for making  Pet preforms. The Preform Advance Molding  process was introduced at the recent K 2007 show in Dusseldorf by Sacmi Imola S.C. of Italy. It’s still too early for PAM to offer a serious challenge to injection molding. By next month, Sacmi plans to have built two machines for in-house development use and hopes to commercialize the system in the second half of this year.While potentially fomenting a battle between injection and compression molding for the preform business, SACMI has a foot in both camps. Its PAM system is an outgrowth of its established machinery for continuous compression molding of beverage-bottle caps and other closures, which now can turn out up to 100,000 caps/hr. On the other hand, Sacmi recently established a PET division to offer complete preform manufacturing systems encompassing injection presses from its Negri Bossi subsidiary (which now incorporates two other Italian press makers with preform experience, Oima and BM Biraghi), as well as Negri Bossi robots and Sacmi’s preform molds and vision inspection systems.

Share/Bookmark

Wednesday, 20 July 2011

Color Injection Molding

Color Injection Molding
Share/Bookmark

Color Injection Molding


                                       Pet Preforms  
Injection molding machines consist of a material hopper, an injection ram or screw-type plunger, and a heating unit.[2] They are also known as presses, they hold the Pet Preforms molds in which the components are shaped. Presses are rated by tonnage, which expresses the amount of clamping force that the machine can exert. This force keeps the mold closed during the injection process. Tonnage can vary from less than 5 tons to 6000 tons, with the higher figures used in comparatively few manufacturing operations. The total clamp force needed is determined by the projected area of the part being molded. This projected area is multiplied by a clamp force of from 2 to 8 tons for each square inch of the projected areas. As a rule of thumb, 4 or 5 tons/in2 can be used for most products. If the plastic material is very stiff, it will require more injection pressure to fill the mold, thus more clamp tonnage to hold the mold closed.[9] The required force can also be determined by the material used and the size of the part, larger parts require higher clamping force.Injection molding is used to create many things such as wire spools, packaging, bottle caps, automotive dashboards, pocket combs, some musical instruments (and parts of them), one-piece chairs and small tables, storage containers, mechanical parts (including gears), and most other plastic products available today.

Share/Bookmark

PLASTIC ITEMS

A plastic material is any of a wide range of synthetic or semi-synthetic organic solids used in the manufacture of industrial products. Plastics are typically polymers of high molecular mass, and may contain other substances to improve performance and/or reduce production costs. Monomers of plastic Items are either natural or synthetic organic compounds.
The word plastic is derived from the Greek πλαστικός (plastikos) meaning capable of being shaped or molded, from πλαστός (plastos) meaning molded.It refers to their malleability, or plasticity during PET preforms manufacturers in india, that allows them to be cast, pressed, or extruded into a variety of shapes—such as films, fibers, plates, tubes, bottles, boxes, and much more.
The common word plastic should not be confused with the technical adjective plastic, which is applied to any material which undergoes a permanent change of shape (plastic deformation) when strained beyond a certain point. Aluminum which is stamped or forged, for instance, exhibits plasticity in this sense, but is not plastic in the common sense; in contrast, in their finished forms, some plastics will break before deforming and therefore are not plastic in the technical sense.
There are two types of plastics: thermoplastics and thermosetting polymers. Thermoplastics are the plastics that do not undergo chemical change in their composition when heated and can be moulded again and again; examples are polyethylene, polypropylene, polystyrene, polyvinyl chloride and polytetrafluoroethylene (PTFE).Thermosets can melt and take shape once; after they have solidified, they stay solid.
The raw materials needed to make most plastics come from petroleum and natural gas.
Plastic Items is polluting the oceans. There are an estimated 46,000 pieces of plastic per square kilometre of the world's oceans. Much of it is concentrated in a gyre of marine litter in the central North Pacific Ocean called Great Pacific Garbage Patch, killing a million seabirds and 100,000 marine mammals yearly.

Share/Bookmark

Tuesday, 19 July 2011

Injection Molding Maintenance

Injection Molding Maintenance
Share/Bookmark

Injection Molding Maintenance

                                         Pet Preforms  
Injection molding machine setters set up and tend machines that transform Pet Preforms plastic compounds into a wide variety of consumer goods; such as, toys, tubing, and auto parts. They install plastic injection molds on the molding machine; make necessary connections of the electrical, hydraulic and cooling systems to the mold; insure that the correct plastic material, plastic melt temperatures, shot size, injection speed and pressures are set; and cycle the machine and adjust the molding parameters until acceptable parts.Injection mold changes can be performed quick if the molds are ready for use when they leave the stores and can go into production without the need for major assembly or cleaning work. Every injection mold must therefore be a self-contained unit, i.e., it must not be made of parts that are required for other injection molds. Parts or groups of parts that are loaded or borrowed often disappear or are need elsewhere just when the injection mold is scheduled for use.

Share/Bookmark

PLASTIC PRECISION MOULDS AND DIES


PLASTIC PRECISION MOULDS AND DIES We are an ISO 9001: 2008 certified manufacturer and exporter of Injection Moulding Moulds, Moulded Plastic Products, Plastic Packaging Products and Premium Plastic Household Products.
We at PLASTIC PRECISION MOULDS AND DIES Pvt. Ltd, are engaged in manufacturing and exporting a wide range of injection moulding moulds and injection moulded plastic products. We manufacture all types of cold runner and hold runner moulds for injection moulding. PET preforms manufacturers in india Our range of plastic products include caps & closures, flip top caps, engineering items, packaging products, cream jars, electronic items, medical products, household products and high precision plastic parts. PMD is ISO 9001:2008 certified for design and manufacture of moulds and is also certified for injection moulding of plastic products.
Year of Establishment 1973 Legal Status of Firm Proprietorship Firm Turnover
New Items Product Design Mould Design Mould Manufacturing & Repair Hot Runner Mould Collapsing Core Mould Plastic Containers Plastic Tumblers Plastic Plates Plastic Hangers Plastic Bottle .
There has been evidence found suggesting that Egyptians and Babylonians blew plastic materials[citation needed], but Enoch Ferngren and William Kopitke were the first verified people who used the Blow Molding Process. The process principle comes from the idea of blowing glass.

Share/Bookmark

Monday, 18 July 2011

POLYETHELENE TEREPHTHALATE BOTTLES

Pet Preformer: POLYETHELENE TEREPHTHALATE BOTTLES
Share/Bookmark

Pet Preformer: POLYETHELENE TEREPHTHALATE BOTTLES

Pet Preformer: POLYETHELENE TEREPHTHALATE BOTTLES
Share/Bookmark

POLYETHELENE TEREPHTHALATE BOTTLES


polyethylene terephthalate bottles(PET) is one of the most commonly used food grade packaging plastics due to it's chemical inertness and appealing physical properties. as with most plastics PET is derived from oil and is formed by a polymerisation reaction between an acid and an alcohol. its initial uses were as a synthetic fibre with excellent wash and wear properties as well as a substrate for video, photographic and x-ray film. as its use grew PET preforms manufacturers in india was modified for application in injection moulded and extruded products, and in the early 1970's the first three dimensional structures were produced by blow moulding techniques, initiating the rapid adoption of PET as a material for beverage bottles. Its properties as a lightweight, tough material with excellent optical properties and adequate gas barrier performance for the retention of PET bottles are manufactured by the process of injection stretch blow moulding (read more at http://www.bpf.co.uk) which was developed specifically to maximise the beneficial properties of PET.
The majority of the world's PET production is for synthetic fibers (in excess of 60%) with bottle production accounting for around 30% of global demand. In discussing textile applications, PET is generally referred to as simply "polyester" while "PET" is used most often to refer to packaging applications. The polyester industry makes up about 18% of world polymer production and is third after polyethylene (PE) and polypropylene (PP).

Share/Bookmark

Injection equipments

Injection equipments
Share/Bookmark

Injection equipments

                                                    Pet Preforms
PET Preforms, PET Bottles, etc. are extraordinary materials which are suitable for the packaging of numerous products because of their physical and chemical properties and their attractive appearance with a clarity and shine similar to that of glass. PET packaging is both light, resistant and recyclable in a number of ways at the end of their useful life. In contrast to many other plastics, Pet Preforms allows a great versatility in packaging design with no decrease in functionality.vishal pet Preforms is a prominent name in the PET packaging industry. We manufacture a variety of Pet preforms and PET bottles for several requirements of the global packaging industry. Our preforms are manufactured in various neck types, neck sizes, weights to suit to the requirement of the market.Strengthened with rich expertise in technology, we are led by a pool of experienced professionals to deliver tangible benefits. Through value-engineered PET preforms and PET bottles, our company offers a greater cost saving advantage to customers.At the helm of affairs are Mr.Ramnath Ashok, Director-Technical and Mr. C. Vijaykumar Surana, Director-Marketing, who have been instrumental in getting for the company the success it deserves in a short span of time.

Share/Bookmark

Saturday, 16 July 2011

PET PLASTICS EXTRUSION


                                        
PET Plastics extrusion is a high volume manufacturing process in which raw plastic material is melted and formed into a continuous profile. PET plastic extrusion produces items such as pipe/tubing, weather stripping, fence, deck railing, window frames, adhesive tape and wire insulation.
In the extrusion of plastics, raw thermoplastic material in the form of small beads is gravity fed from a top mounted hopper into the barrel of the extruder. Additives such as colorants and UV inhibitors are often used and can be mixed into the resin prior to arriving at the hopper.
Extrusion coating is using a blown or cast film process to coat an additional layer onto an existing rollstock of paper, foil or film. PET preforms manufacturers in india this process can be used to improve the characteristics of paper by coating it with polyethylene to make it more resistant to water. The extruded layer can also be used as an adhesive to bring two other materials together. A famous product that uses this technology is tetrapak.
Feed zone. Also called solids conveying. This zone feeds the resin into the extruder, and the channel depth is usually the same throughout the zone.
Melting zone. Also called the transition or compression zone. Most of the resin is melted in this section, and the channel depth gets progressively smaller.
Metering zone. Also called melt conveying. This zone, in which channel depth is again the same throughout the zone, melts the last particles and mixes to a uniform temperature and composition.


Share/Bookmark

pet injection moulding

pet injection moulding
Share/Bookmark

pet injection moulding


                                         PET Preforms  
Our company is engaged in offering a comprehensive range of Pet injection moulding that are made as per the specific needs of clients. Widely used for blowing PET Bottles, these Pet Preforms are made using superior quality raw material. Playing a vital role in various applications like packaged drinking water, juices, hot fill, liquor and pharmaceuticals, we offer these preforms at industry leading rates.These are used for blowing PET Bottles. The Pet Preforms are available for packaged drinking water, juices, hot fill, liquor and pharmaceuticals. We develop the best quality preforms available in varying necks and weights so as to enable manufacture of various types of PET Bottles and Jars. We also customize these as per the requirements of the customers. We give a crystal clear look and neat finish to the final product.Our range of Industrial dryers are used in a number of industrial as well as chemical applications. We employ only the best raw materials and the most advanced technology in the production of the mini air dryers and wall mounting type dryers. These products are acknowledged by our customers far and wide for ease in their operation, lightweight, non-corrosive nature, seamless body and smart look. These are widely used in CNC machines, CMM printing applications, and pharmaceutical powder coating units.

Share/Bookmark

Friday, 15 July 2011

Bubble Top Preform and Jar

Bubble Top Preform and Jar
Share/Bookmark

Bubble Top Preform and Jar

 

                                              PET Preforms 
Our organization is instrumental in offering a wide range of high quality Pet Preforms to our respected customers that are widely famous for its durability, attractive shapes, highly sturdy and dimensionally accuracy features. We use high quality raw material in manufacturing of this range that gives the above given features to our range of Pet Preforms. This range finds an extensive application in various industries to keep soft drinks, cooking oil and motor oils safely.We offer a wide range of pet preforms of varied size. With better physical properties, these pet perform are available in lower weight. These pet preforms have high intrinsic viscosity levels to ensure consistent blowing results. Our pet preforms are available in high clarity and high gloss. We continuously engage ourself in developing new products to meet the changing trends in the market. With low acetaldehyde level, these do not show side effects. Our products have the following features: Our clients can avail from us a huge variety of high-quality dispenser preforms. These preforms are widely used for manufacturing different types of dispensers. Known for its high expandability, our range is highly demanded in the market.The bubble top pre-form and bubble top jar, from the house of MDC are a quality set, that offer durability and long service life among their features. We have composed our offerings from quality inputs, and call for high industry standards on the long run. Additionally, our product comes with the guarantee of size cust

Share/Bookmark

PLASTIC INJECTION MOLDING

PLASTIC INJECTION MOLDING
Share/Bookmark

PLASTIC INJECTION MOLDING


Plastic injection molding is a manufacturing process for producing parts from both thermoplastic and thermosetting plastic materials. Material is fed into a heated barrel, mixed, and forced into a mold cavity where it cools and hardens to the configuration of the mold cavity.[1] After a product is designed, usually by an industrial designer or an engineer, molds are made by a moldmaker (or toolmaker) from metal, usually either steel or aluminum, and precision-machined to form the features of the desired part. Injection molding is widely used for manufacturing a variety of parts, from the smallest component to entire body panels of cars.
An Injection molding machine, also known as an injection press, is a machine for manufacturing plastic products by the PLASTIC INJECTION MOLDING process. It consists of two main parts, an injection unit and a clamping unit.
Injection molding machines can fasten the molds in either a horizontal or vertical position.PET preforms manufacturers in india The majority of machines are horizontally oriented, but vertical machines are used in some niche applications such as insert molding, allowing the machine to take advantage of gravity. There are many ways to fasten the tools to the platens, the most common being manual clamps  however hydraulic clamps and magnetic clamps are also used. The magnetic and hydraulic clamps are used where fast tool changes are required.
The sequence of events during the injection mold of a plastic part is called the injection molding cycle. The cycle begins when the mold closes, followed by the injection of the polymer into the mold cavity. Once the cavity is filled, a holding pressure is maintained to compensate for material shrinkage. In the next step, the screw turns, feeding the next shot to the front screw.This causes the screw to retract as the next shot is prepared. Once the part is sufficiently cool, the mold opens and the part is ejected.

Share/Bookmark

Thursday, 14 July 2011

pet flakes

pet flakes
Share/Bookmark

pet flakes


                                         PET Preforms 
Pacific Allied Products recently invested in two world-class systems for the manufacture of PET preforms for plastic containers. The HyPET 120 Injection Mold machine uses the latest technology and is the most advanced preform equipment available in the world. Each of these machines pet flakes produces up to 16,000 preforms per hour.Pacific Allied Products manufactures plastic containers using a two-step process. In the first step, plastic pellets are measured, melted, and molded into preforms as shown in the picture. The preforms are colored as required and inventoried. In the second step, the preforms are heated, stretched, and inflated to the shape of the Desired Plastic Container. Pacific Allied Products' new manufacturing plant will enable the production of more than two hundred million preforms annually.We offer a wide range of PET preforms, which is available in various specifications of weight neck size ( in mm), length, etc. Widely used in industries like beverages, Liquor, Pharma and FMCG, our products can also be provided in customized specifications as per the client's requirements.

Share/Bookmark

PET PLASTIC PACKAGING


PET PLASTIC PACKAGING is the science, art, and technology of enclosing or protecting products for distribution, storage, sale, and use. Packaging also refers to the process of design, evaluation, and production of packages. Packaging can be described as a coordinated system of preparing goods for transport, warehousing, logistics, sale, and end use. PET PLASTIC PACKAGING contains, protects, preserves, transports, informs, and sells. In many countries it is fully integrated into government, business, institutional, industrial, and personal use.
Packaging may be described in relation to the type of PET preforms manufacturers in india product being packaged: medical device packaging, bulk chemical packaging, over-the-counter drug packaging, retail food packaging, military materiel packaging, pharmaceutical packaging, etc.
* Primary packaging is the material that first envelops the product and holds it. This usually is the smallest unit of distribution or use and is the package which is in direct contact with the contents.
* Secondary packaging is outside the primary packaging, perhaps used to group primary packages together.
* Tertiary packaging is used for bulk handling, warehouse storage and transport shipping. The most common form is a palletized unit load that packs tightly into containers.

Share/Bookmark

Wednesday, 13 July 2011

pet blow molding technology-pet

pet blow molding technology-pet
Share/Bookmark

pet blow molding technology-pet

                                       PET Preforms  
These days, varied PET bottle designs are in great demand, cost effective, qualitative, and reckoned all over the world. One of the two methods is a pressure PET Preforms bottle such as filling the bottles of carbonated beverage and second one is the non-pressure bottle like oil, tea and filling water bottles. With the advancement in production scale and technology, it has been noticed that molding industries in India has taken a new way.Moreover, the equipment production capacity has seen a rapid progress as compared with prior records of manufacturing. It is believed that now the capacity lies between thousands bottles per hour to ten thousands bottles per hour. The best advancement in this field is that the former manual work has been replaced by the computer systems. This has lower down all the difficulties arising in the process and results in greater constancy and suitableness.The procedure PET molding affects various factors such as environment and surroundings through its blowing system. Depending on the positive and negative merits, PET preforms material and molding process should be chose with uttermost attention and care. According to experimental outcomes, the same viscosity of PET preform molding material can require the distinctive technology of blow molding. The major requirement to preform the materials is to make them pure, transparent. The material should not contain any impurity and there should be no different color nimbus in the region of injection point.

Share/Bookmark

PET-PELLETS FOR BOTTLES AND A-PET

This process is, in principle, similar to the one described above; however, the pellets produced are directly (continuously or discontinuously) crystallized and then subjected to a solid-state polycondensation (SSP) in a tumbling drier or a vertical tube reactor. During this processing step, the corresponding intrinsic viscosity of 0.80 – 0.085 dℓ/g is rebuild again and, at the same time, the acetaldehyde content is reduced to < 1 ppm.
The fact that some machine manufacturers and line builders in Europe and USA make efforts to offer independent recycling processes, e.g. the so called PET-PELLETS FOR BOTTLES AND A-PET bottle-to-bottle(B-2-B) process, such as URRC or BÜHLER, aims at generally furnishing proof of the "existence" of the required extraction residues and of the removal of model contaminants according to FDA applying the so called challenge test, PET preforms manufacturers in india is necessary for the application of the treated polyester in the food sector. Besides this process approval it is nevertheless necessary that any user of such processes has to constantly check the FDA-limits for the raw materials manufactured by himself for his process.

Share/Bookmark

Monday, 11 July 2011

BOTTLE PROCESSING EQUIPMENT

There are two basic molding methods for PET bottles, one-step and two-step. In two-step molding, two separate machines are used. The first machine injection molds the preform, which resembles a test tube, with the bottle-cap threads already molded into place. The body of the tube is significantly thicker, as it will be inflated into its final shape in the second step using stretch blow molding.

In the second step, the preforms are heated rapidly and then inflated against a two-part mold to form them into the final shape of the bottle. PET preform manufacturers in india are now also used as containers for candy, and by some Red Cross chapters to distribute to homeowners to store medical history for emergency responders.

In one-step machines, the entire Bottle processing equipment from raw material to finished container is conducted within one machine, making it especially suitable for molding non-standard shapes (custom molding), including jars, flat oval, flask shapes etc. Its greatest merit is the reduction in space, product handling and energy, and far higher visual quality than can be achieved by the two-step system.

Share/Bookmark

Friday, 8 July 2011

pet preform buyers

 
                                       PET Preforms  
this is a the PET bottle because it will not have those physical properties for which the PET has been introduced as economical alternative to the conventional packaging like glass or tin. Worldwide, the PET Preforms buyers market is growing in a phased manner.It started with still and solid filling application to carbonated cold pressure filling application to the hot filling application. In India we are in the mid phase. Unless we perfectionate ourselves in still filling, its still a long way to handle CSD and hot fill products.PET bottle blowing  was referred to as a bottle converter and then become processor and now bottle manufacturer. In manufacturing a great deal of process engineering is involved because the PET bottle blowing doesn't follow the versatile logic. Concept of blowing varies for size and shape of container, preform material, process followed for injection moulding and filling application. Few vital processes involved are designing and selection of preform, verification of bottle design and mould, process of heating the preform, concept of blowing, analysis of bottle defects, method of checking the bottles quality and retention of preform and bottle.

Share/Bookmark

Thursday, 7 July 2011

pet bottle blowing

pet bottle blowing
Share/Bookmark

pet bottle blowing

                                                          PET Preforms 
In India, the PET bottle blowing Polymer Engineering and Stretch Blow Moulding technology were initially introduced at lower profile. Commonly used synonym for PET Preforms container today is 'water bottle', the one that basically has a use and throw application. The cost of the bottle today is virtually three times that of the product (mineral water) cost. This leads to the belief that PET bottle blowing processing ought to be a low profile business with low cost of feasibility.While the paradox is, the cost of PET resin is one and half times that of conventional plastics resin cost. In the minds of the plastic manufacturer, it has been imbibed that, the raw material is costlier and the filling application is for the cheapest product on the earth i.e. water. This is the very reason the bottle processors were skeptical about the viability of PET project and hence opted for the low tech, lowest cost machineries and equipments.A well accepted fact today is that the PET bottle blowing technology is virtually introduced in every packaging application but still PET processors have to stick up with fallacy of water bottle processing techniques and the outdated blowing equipments. With time, resin prices are also on decreasing trend, glass industries are closing down, every day new products are being introduced in PET, concept of packaging in tin has become obsolete; considering these facts and the faster rate of market growth in this sector, its high time to realize the importance of stretch blow molding's PET product quality.In India, one tends to underestimate the outstanding properties of PET. This has developed the unbalance in the market of quality bottle demand to quality bottle supply ratio. We are still pretending to supply quality PET bottle at low cost with low profile incompetent blowing equipments. The fact is that, all these old tech equipments are at zero depreciation however they cannot be scrapped out because the growth potential of PET processing business is being underestimated. Sooner the better, because consequently the user market is developing the thinking that getting quality bottle in PET is very difficult task and thinking to turn back to older option. This is the major fact that needs to be realized by existing and upcoming PET bottle blowing processors.At the outset, PET is the complex material in the family of polymer. It evolves a great deal of elastic and plastic thermal behavior. When we refer to the comparatively simple and economical two-stage conversion process, the through thickness heating of the preform is the crux of the process. Since PET has very poor heat conductivity the conventional induction heating process doesn't work at all. Infact, improper method of heating of PET preform is the root cause of substandard bottle quality.The PET blow forming process is based on time and temperature dependence. Advance heat transfer engineering and sophistica-ted electro-pneumatics system is only capable of converting scientifically heated preform into quality PET bottles. High blowing pressure is the essential part for achieving desired strength in blown bottle. But this is not the PET bottle because it will not have those physical properties for which the PET has been introduced as economical alternative to the conventional packaging like glass or tin. Worldwide, the PET market is growing in a phased manner.
Share/Bookmark

Wednesday, 6 July 2011

pet blow molding

pet blow molding
Share/Bookmark

pet blow molding


                                                          PET preforms  
Nowadays PET is still widely used for these purposes, but when, in the 1970s a marketing need was identified for larger light-weight, unbreakable bottles to contain carbonated drinks, PET Preforms it the bill perfectly. Unlike simple polymers such as polyethylene, PET Preforms is not made by a single stage process, but by the reaction between two chemicals, purified terephthalic acid (PTA) and ethylene glycol (EG). The availability of the first of these has dictated the supply of PET resin in the past, but new capacity coming on stream this year will ensure more than adequate supplies to meet the growing uses of PET over the coming years. Related polyesters are polybutylene terephthalate (PBT) used mainly for engineering applications, and polyethylene naphthalate (PEN). The latter offers significant performance improvements over PET, particularly in terms of barrier properties and heat tolerance. Since PEN can be blended with PET a range of new 'alloys' is becoming available for special packaging applications.As PET (bottle grade) is a kind of transparent, wear-resisting and corrosion-resisting plastics with high strength and smooth finish, it is widely used for PET bottles of mineral water, juice, edible oil, pharmaceuticals, cosmetics, etc.PET is linear thermoplastic (long-chain molecule consists of repeating units shown as figure right), white but bluish resin made from terephthalic acid and ethylene glycol through poly-condensation. PET is supplied by the resin manufacturers in the form of small pellets, each about 0.05 gram. PET came into prominence in the 1950s as a textile material. Its strength, temperature tolerance and wear-resistance made it an ideal replacement for, or addition to natural fibers such as silk, cotton and wool.It has good antiosmosis, low water absorbability and good toughness. PET film's tensile strength is similar with aluminum film's, and is three times that of PC and PA film. PET film is transparent. It's tensile strength can reach 1/3~1/2 of steel's if dealed by oriented draw. It's the toughest thermoplastic film. It will be burnt with yellow flame and will burst when burning. And it will continue burning when away from fire.

Share/Bookmark

Friday, 1 July 2011

POLYETHYLENE TEREPHTHALATE PRODUCTION


PET-P, is a thermoplastic polymer resin of the polyester family and is used in synthetic fibers; beverage, food and other liquid containers; thermoforming applications; and engineering resins often in combination with glass fiber.
Depending on its processing and thermal history, PET preforms manufacturers in india may exist both as an amorphous (transparent) and as a semi-crystalline polymer. The semicrystalline material might appear transparent (particle size < 500 nm) or opaque and white  depending on its crystal structure and particle size. Its monomer (bis-β-hydroxyterephthalate) can be synthesized by the esterification reaction between terephthalic acid and ethylene glycol with water as a byproduct, or by transesterification reaction between ethylene glycol and dimethyl terephthalate with methanol as a byproduct. Polymerization is through a polycondensation reaction of the monomers with water as the byproduct.
The majority of the world's PET(POLYETHYLENE TEREPHTHALATE) production is for synthetic fibers (in excess of 60%) with bottle production accounting for around 30% of global demand. In discussing textile applications, PET(POLYETHYLENE TEREPHTHALATE) is generally referred to as simply "polyester" while "PET" is used most often to refer to packaging applications. The polyester industry makes up about 18% of world polymer production and is third after polyethylene (PE) and polypropylene (PP).

Share/Bookmark

Wednesday, 29 June 2011

PET Preforms closures

                                                           PET Preforms
 
They are made in state of the art facilities by skilled engineers who believe in quality production. These can also be used for keeping substances like chemical, alcohol and several other medicinal solvents. Our range of pet preforms bottles is resistant to cracking and can be easily kept at room temperature. They are highly durable with a long service life.We are prime suppliers of Pet Performs and have won accolades for its durability and have a long service life. They are designed in compliance with international quality standards. They are widely used across a number of packaging applications and in various industries. They are made using premium grade raw material which gives perfect weight distribution to the bottles or jars resulting in maximum strength at minimum weight. They are made in state of the art facilities by skilled engineers who believe in quality and excellent after sales services. They are made with high quality raw material and are compact in size.We offer our customers a wide range of precision engineered Pet Jar and related items in different storage capacities. These fulfill the requirements of storing food items in households. Fabricated with premium quality HDPE, PE, PP and PET, these are available in a diverse designs, sizes, colors and sizes. We also provide customized solutions that can be availed at competitive prices. Our extensive range of jars are are 100% leak proof and do not let foreign particles and dust enter into the container.These beautiful jars fulfill the requirements of storing food items in households. They are manufactured in state of the art facilities which ensure timely execution of services. We have a huge network of distributors, transporters and storehouses.We are prime suppliers of fridge pet bottles tulip and have won accolades for its durability and have a long service life. They are designed in compliance with international quality standards. They are widely used across a number of packaging applications and in various industries. They are made using premium grade raw material which gives perfect weight distribution to the bottles or jars resulting in maximum strength at minimum weight. They are made in state of the art facilities by skilled engineers who believe in quality and excellent after sales services. They are made with high quality raw material and are compact in size.We are prime suppliers of Fridge Bottles Sporty Look and have won accolades for its durability and have a long service life. They are designed in compliance with international quality standards. They are widely used across a number of packaging applications and in various industries. They are made using premium grade raw material which gives perfect weight distribution to the bottles or jars resulting in maximum strength at minimum weight. They are made in state of the art facilities by skilled engineers who believe in quality and excellent after sales services. They are made with high quality raw material and are compact in size.We make the best Pet Bottles Caps in the entire industry and it is the most favored product in our entire range. Our extensive range of bottles include Pet bottle caps which are 100% leak proof and do not let foreign particles and dust enter into the container. They are widely used for capping glass jars and Pet bottles containers. They are highly durable with a long service life.

Share/Bookmark