杜邦***商/美国杜邦PBT***Crastin美国杜邦.PBT塑料：6129,6130,6131,6134,BM6450XD,CE15315,CE15330,CE2054,FG6129,FG6130,FG6134,FGS600F10,FGS600F40,HR5315HF,HR5315HFS,HR5330HF,HR5330HFS,LW9020,LW9020FR,LW9030,LW9030FR,LW9320,LW9320LM,LW9330,PC164,S600F10,S600F20,S600F40,S610SF,S620F20,S650FR,SC164,SK601,SK602,SK603,SK605,SK605LM,SK608,SK609,SK612SF,SK615SF,SK643FR,SK645FR,SK6***R,SK695FR,SO653,ST820,ST830FRUV,T841FR1,T843FR,S600,S620,CE2055PBT塑料是指聚对苯二甲酸***酯为主体所构成的一类塑料聚对苯二甲酸***酯（Polybutyleneterephthalate），又名聚对苯二甲酸四次甲基酯。简称PBT。它是对苯二甲酸与1,4-***的缩聚物。PBT和PET一起被称为热塑性聚酯。)