Ultradur B4406G4 BASF Corporation PBT is an injection molding grade with 20 % glass fibers for parts requiring enhanced fire resistance (eg relay housings,
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。
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