Ultradur B4040G4 BASF Corporation PBT+PET Injection molding grade with 20 % glass fibers for industrial parts with excellent surface quality, for example external door handles in vehicles,
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。