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Ultradur® thermoplastic polyester from BASF is a partly crystalline, thermoplastic polyester based on polybutylene terephthalate (PBT). It is used as a material for high-quality, highly stressed engineering parts in a wide variety of industrial sectors. Ultradur® thermoplastic polyester features high stiffness and strength, very good dimensional stability at high temperatures, low water absorption, good resistance to many chemicals, and outstanding heat aging performance.
Ultradur® shows its strengths wherever high-quality and above all heavy-duty parts are required – for example in the automotive industry, in the electrics and electronic sectors. The range of applications which benefit from these properties of Ultradur® in both industry and everyday life is vast. A feature that is particularly important is the low water absorption and thus the fact that the mechanical and electrical properties are largely independent of the moisture content or the climatic surrounding conditions. Particularly for components that are safety-relevant and have to work reliably for the entire lifetime of a component, Ultradur® is indispensable.
Key Advantages of Ultradur®: