有关塑料专业知识(1)
LDPE Low-density polyethylene plastics 低密度聚乙烯

LLDPE Linear low-density polyethylene 线型低密聚乙烯

PA Polyamide (nylon) 聚酰胺（尼龙）

PE Polyethylene 聚乙烯

PET Poly(ethylene terephthalate) 聚对苯二甲酸乙二酯

PP Polypropylene 聚丙烯

PVDC Poly(vinylidene chloride) 聚（偏二氯乙烯）

EVA Ethylene/vinyl acetate 乙烯/醋酸乙烯共聚物 EVA树脂

HDPE High-density polyethylene plastics 高密度聚乙烯 PVC Poly(vinyl chloride) 聚氯乙烯

PS Polystyrene 聚苯乙烯