Crastin BM6450XD BK560
Crastin BM6450XD BK560 DuPont Engineering Polymers PBT is an unreinforced supertough polybutylene terephthalate resin with very high viscosity for extrusion and blow molding
聚对苯二甲酸丁二醇酯,又名聚对苯二甲酸四次甲基酯。与PET一起统称为热塑性聚酯。用于电子电气,汽车和机械设备等。