Ultradur B4300G4High Speed BASF Corporation PBT Easy flowing injection molding grade with 20 % glass fibers; for rigid, tough and dimensionally stable technical parts (eg car-door handles,
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。