Polyester film (PET) is based on polyethylene terephthalate as raw material, the use of extrusion method made of thick films, and then biaxially oriented film made of material. Polyester film green film PET film milky film and other printing and packaging supplies, widely used in the FRP industry, building materials industry, printing industry, medicine and health. Polyester film, also known as polyester film light film polyester film photosensitive paper polyester film benzene tin film cellophane release film.
Polyester film is a polymer plastic film, because of its excellent overall performance and more and more consumers of all ages. As China's production and technical level still can not meet the needs of the market, some still need to rely on imports.
Usually colorless and transparent, shiny film (now add the additive particles to make it a color), excellent mechanical properties, rigidity, hardness and toughness, puncture resistance, abrasion resistance, high temperature and low temperature, chemical resistance, Oil resistance, air tightness and good aroma, is commonly used barrier film composite substrate, but the corona resistance is not good.
Polyester film, the higher the price, the thickness is generally 0.012mm, commonly used as the outer layer of cooking and packaging materials, printing is better. More due to the complexity of the polyester film and difficult to judge, to the customs supervision brought many difficulties.
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