PET is often referred to as a polyester resin. It is a polycondensation reaction of terephthalic acid and ethylene glycol, together with PBT is called a thermoplastic polyester, or a saturated polyester. PET is a highly crystalline milky white or light yellow polymer. The surface is smooth and smooth. It is resistant to creep, inertia, abrasion, dimensional stability, low wear, high hardness, maximum toughness of thermoplastics, good insulation performance, low temperature influence and poor corona resistance. Non-toxic, weather resistant, chemically resistant, low water absorption, weak acid, organic solvent.
Plastic bottles are an important form of packaging in many fields. Beverages, food, cosmetics, pharmaceuticals, daily necessities and chemical raw materials can all be stored in plastic bottles. Plastic products have been integrated into our lives, plastic products are everywhere in life, and the demand for plastic products in the packaging market is also increasing.
Disposable PET plastic products occupy a considerable market share, and the quality of plastic bottles continues to increase.
The importance of plastic containers is increasingly emphasized, not only in the beverage market, but also in food, cosmetics and pharmaceuticals. The development of new filling technology and heat-resistant PET bottles brings new possibilities and options. PET bottles are popular in the packaging of beverages, cosmetics and hygiene products, while detergent packaging is mainly used in PE plastic bottles. In addition, PE is widely used in baby bottles.