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Polybutylene Terephthalate (PBT): Techno Brief

Providing innovative solutions that save weight and decrease costs along with other benefits, PBT has made its place in end-markets like automotive, consumer goods as well as electrical & electronics. This content will familiarize you with the benefits of PBT, and polyester alloys, varied properties exhibited by PBT and their applications.

Polybutylene Terephthalate & Polyester Alloys

Polybutylene Terephthalate (PBT) Polybutylene Terephthalate (PBT) is a semi-crystalline engineering-grade thermoplastic with similar properties and composition to polyethylene terephthalate (PET). It is a member of polyester family of polymers.

PBT is produced by polycondensation of terephthalic acid or dimethyl terephthalate with 1,4 –butanediol using special catalysts.

PBT displays excellent mechanical and electrical properties with robust chemical resistance to a wide range of chemicals, solvents, oils and greases. Polybutylene Terephthalate offers excellent dimensional stability, low moisture absorption, and powerful insulation resistance.

Polybutylene Terephthalate Structure

Polybutylene Terephthalate Structure

Strengths and Limitations of Polybutylene Terephthalate


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