.常用化工材料代号PET 聚对苯二甲酸乙二酯poly(ethylene terephthalate) 01 PE-HD 高密度聚乙烯polyethylene, high density 02 PVC 聚氯乙烯poly(vinyl chloride) 03 PE-LD 低密度聚乙烯polyethylene,low density 04 PP 聚丙烯polypropylene 05 PS 聚苯乙烯polystyrene 06 ABS 丙烯腈丁二烯苯乙烯塑料 acrylonitrile-butadiene-styrene plastic 07 PA 聚酰胺polyamide 08 PAN 聚丙烯腈polyacrylonitrile 09 PC 聚碳酸酯polycarbonate 10 PBT 聚对苯二甲酸丁二酯poly(butylene terephthalate) 11 PE-LLD 线性低密度聚乙烯polyethylene,linear low density 12 PE-MD 中密度聚乙烯polyethylene,medi