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Polybutylene Terephthalate (PBT) – Welcome to Shakti Plas Industries

Polybutylene Terephthalate (PBT)

HomePolybutylene Terephthalate (PBT)

Polybutylene terephthalate (PBT) is a thermoplastic engineering polymer that is used as an insulator in the electrical and electronics industries. It is a thermoplastic (semi-)crystalline polymer, and a type of polyester. PBT is resistant to solvents, shrinks very little during forming, is mechanically strong, heat-resistant up to 150 째C (or 200 째C with glass-fibre reinforcement) and can be treated with flame retardants to make it noncombustible.

PBT is closely related to other thermoplastic polyesters. Compared to PET (polyethylene terephthalate), PBT has slightly lower strength and rigidity, slightly better impact resistance, and a slightly lower glass transition temperature. PBT and PET are sensitive to hot water above 60 째C (140 째F). PBT and PET need UV protection if used outdoors, and most grades of these polyesters are flammable, although additives can be used to improve both UV and flammability properties.

Polybutylene Terephthalate (PBT)
Applications
Housings in electrical engineering
Automotive construction as plug connectors
Energy Meter Terminal Blocks
MCB Housings
Iron Base
Appliance Housings
Advantages
PBT texture is highly resistant to wear and discoloration
Good Fatigue resistance
Low friction coefficient
Ceramic appearance