Whatsapp: +86-18069229979. Polyester Bottle Chips are a type of polyester product made by polymerizing and esterifying Purified Terephthalic Acid (PTA) and Ethylene Glycol (MEG) to increase viscosity. Plastic Bottle Chips have excellent characteristics such as non toxicity, odorlessness, good transparency, high strength, light weight, and good barrier properties. In addition, these chips also have good heat and cold resistance, and can maintain stable physical properties over a wide temperature range. Therefore, Bottle Chips are an important plastic packaging material with a wide range of applications and promising market prospects.