Since the 1980s, PET as an engineering plastic has made breakthrough progress, and continued to develop nucleating agents and crystallization promoters, PET and PBT together as thermoplastic polyester, become one of the five major engineering plastics (PA PC POM PBT PPO).

PET plastic is the abbreviation for Polyethylene terephthalate in English, abbreviated as PET. As a small variety in the plastic classification, what are its properties? What are the application areas?