What is a Polyethylene Terephthalate (PET)?

Polyethylene Terephthalate (PET) is a thermoplastic polyester synthesized from terephthalic acid and ethylene glycol. It is known for its excellent clarity, strength, and chemical resistance. PET is widely used in beverage bottles, food containers, polyester textiles, and packaging materials, making it a key material in everyday life. Its lightweight nature, impact resistance, and recyclability have made it a preferred eco-friendly plastic. PET is easy to mold when heated and maintains high dimensional stability, making it suitable for use in electronic components and industrial films. With the growing adoption of recycled PET (rPET), it also plays a vital role in promoting sustainability. However, PET is less resistant to high temperatures and strong alkaline conditions, so in some applications, it is combined with other resins for improved performance.

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