Crastin LW9030FR BK851 DuPont Engineering Polymers PBT Alloy is a 30% glass fiber reinforced, black polybutylene terephthalate alloy for injection molding. It has improved surface aesthetic
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。