Polybutylene terephthalate

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A thermoplastic resin that is similar to polyethylene terephthalate. Polybutylene terephthalate (PBT) resins have high strength, good dimensional stability and resistance to moisture, heat and chemicals. PBT has been prepared as a fiber and in sheets as an impact-resistant glass substitute. It is also used in sporting goods, toys, household products and electrical component housings.

Synonyms and Related Terms

PBT; poli (tereftalato de butileno) (Esp.); poli butilene tereftalato (It.); tereftalato de polibutileno (Port.)

Examples: Ultradur® [BASF]; Pocan® [Lanxess]; Celanex® [Ticona]

Other Properties

Moisture regain = 0.4%

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