What is PET preform?
For the layman, I believe that many people do not know what is the PET preform, and then I'll analyze it in detail. PET preform is a typical injection molding product, which is easy to transport, mostly of plastic material, with uniform texture and good insulation. It is an intermediate product of plastic bottles and machine barrels.
PET preform material Polyethylene terephthalate is the main varieties of thermoplastic polyester, It's named Polythylene terephthalate (hereinafter referred to as PET or PETP or PET), commonly known as polyester resin. It is a polycondensation of terephthalic acid and ethylene glycol. Together with PBT, it is called a thermoplastic polyester, or a saturated polyester. PET is milky white or yellow before the highly crystalline polymer, the surface smooth and shiny. It has the characteristics of creep resistance, fatigue resistance, friction and dimensional stability, small abrasion and high hardness, and has the greatest toughness in thermoplastics. It has good electrical insulation performance and little impact on temperature, but it has poor corona resistance. Non-toxic, resistant to climate, good stability of anti chemical drugs, low water absorption, weak acid and organic solvents.
PET preform are widely used, widely used in daily necessities, daily packaging and other fields. The PET preform is formed by blow plastic bottles, re processing including cosmetics, medicine, health care, beverages, mineral water, the reagent packing bottle, the bottle is called the two step method, which is formed by injection molding processing method of preform, again after formation of PET plastic bottle blow molding processing.
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