CRESTER is a brand name for Polybutylene terephthalate (PBT) compounds. PBT is a semi-crystalline engineering thermoplastic and a type of polyester.
Chemical structure and polymerization
PBT is produced by polycondensation of terephthalic acid with 1,4-butanediol using special catalysts.
Key features
CRESTER is characterized by high stiffness and strength, very good dimensional stability, low water absorption and good chemical resistance.
CRESTER can provide reliability, durability and a cost advantage in electrical and electronic applications, automotive lighting bezels
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High stiffness and strength
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High heat resistance
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Good dimensional stability
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Good chemical resistance
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Excellent dielectric and electrical insulation properties