Ultradur PBT B4520Z High Speed
Ultradur B4520Z High Speed BASF Corporation PBT is a medium viscosity, pigmented black, rapidly freezing injection molding grade.
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。