俗称中文名英文名简称PP聚丙烯PolypropylenePP硬胶通用聚苯乙烯GeneralPurpose PolystyrenePSPPC氯化聚丙烯Chlorinated PolypropylenePPCPVC聚氯乙烯Poly(Vinyl Chloride)PVC涤纶聚对苯二甲酸