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    Polyethylene Terephthalate (PET)

    Polyethylene Terephthalate (PET) in Tradeasia

    IUPAC Name

    Poly(ethyl benzene-1,4-dicarboxylate)

    Cas Number


    HS Code




    Basic Info


    Slightly opaque & colorless pellet

    Common Names



    1150 Kg Jumbo Bag, 25 Kg Bag

    Brief Overview

    Polyethylene terephthalate (PET) is a thermoplastic polymer belonging to the polyester family. PET is commonly used to make plastic bottles for beverages, food containers, and other types of packaging due to its durability and resistance to impact and chemical degradation. It is also used in the textile industry to produce fibers for clothing, carpets, and other textile products. PET is highly recyclable, and can be used to produce new products through mechanical recycling, which involves melting down used PET products and reforming them into new products.

    Manufacturing Process

    Polyethylene terephthalate (PET) is a commonly used thermoplastic polymer that is widely used in the production of packaging materials, including bottles, films, and containers. The manufacturing process of PET involves several steps, which are as follows:

    1. Purification of raw materials: The raw materials used in the production of PET are purified to remove any impurities that might affect the quality of the final product. The raw materials typically include terephthalic acid or dimethyl terephthalate (DMT) and ethylene glycol.

    2. Reaction: The purified terephthalic acid or DMT is reacted with ethylene glycol in the presence of a catalyst, typically antimony trioxide, to produce a monomer called bis(2-hydroxyethyl) terephthalate (BHET).

    3. Polymerization: The BHET monomer is then polymerized by heating it at high temperatures, typically around 260°C, under vacuum or in the presence of a nitrogen atmosphere. This process results in the formation of PET resin, which is a white, crystalline powder.

    4. Pelletizing: The PET resin is then pelletized to make it easier to handle and transport. The pellets can be stored for later use or transported to a molding facility for further processing.

    5. Molding: The PET pellets are melted and then molded into the desired shape using injection molding or blow molding techniques. Injection molding involves injecting the melted PET into a mold under high pressure to create a solid object, while blow molding involves inflating a hollow tube of melted PET to create a hollow object, such as a bottle.

    6. Finishing: The molded PET products are then finished by trimming any excess material and adding any necessary labels or decorations.

    Grade Available

    1. Bottle Grade
    2. Yarn Grade


    Polyethylene terephthalate (PET) is a versatile thermoplastic polymer that has a wide range of applications due to its properties, such as high strength, durability, transparency, and ease of processing. Some common applications of PET include:

    1. Packaging: PET is commonly used in the production of packaging materials such as bottles, containers, and films. PET bottles are popular for packaging water, soft drinks, juices, and other beverages. PET films are used for packaging food products, pharmaceuticals, and other consumer goods.

    2. Textiles: PET is used in the production of textiles, such as polyester fibers and fabrics. Polyester fibers are commonly used in the textile industry to produce clothing, upholstery, and home textiles. PET fabrics are also used in the production of sportswear, swimwear, and outdoor gear.

    3. Electrical and electronics: PET is used in the production of electrical and electronic components, such as circuit boards, capacitors, and transformers. PET film is also used as insulation for electrical wires and cables.

    4. Automotive: PET is used in the production of automotive components, such as engine parts, fuel tanks, and interior parts. PET fibers and fabrics are also used in the production of car seats, carpets, and headliners.

    5. Medical: PET is used in the production of medical devices, such as syringes, IV bags, and surgical instruments. PET is also used in the production of medical imaging equipment, such as PET scanners.

    6. Construction: PET is used in the production of construction materials, such as insulation and roofing. PET insulation is used to insulate walls, roofs, and floors, while PET roofing materials are used for roofing and cladding.

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