Characteristic properties of
Ultradur® (PBT, PBT+ASA, PBT+PET)

Ultradur® is BASF’s brand name for its line of partially crystalline, thermoplastic, saturated polyesters derived from polybutylene terephthalate (PBT). They are employed as materials for high-quality technical components in many sectors of industry.

Ultradur® is a highly stressable material:

high rigidity and strength very good dimensional stability under heat low water absorption

good resistance to many chemicals exceptional resistance to weathering excellent heat ageing behavior