Polyethylene terephthalate-polyester resin

pet plastic is the abbreviation of polyethylene terephthalate in english, referred to as pet or petp. chinese meaning: polyterephthalate plastics, mainly including polyethylene terephthalate pet and polybutylene terephthalate pbt. polyethylene terephthalate is also commonly known as polyester resin. it is a condensation polymer of terephthalic acid and ethylene glycol. together with pbt, it is collectively…