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PBT

PBT is a milky white translucent to opaque, semi-crystalline thermoplastic polyester. With high heat resistance, toughness, fatigue resistance, self-lubricating, low coefficient of friction.

Material

Polybutylene terephthalate (English name: polybutylene terephthalate; PBT for short), also known as polytetramethylenene terephthalate, is made by terephthalic acid and 1,4-butanediol Polyester made of polycondensation. The most important thermoplastic polyester, one of the five major engineering plastics.
PBT is a milky white translucent to opaque, semi-crystalline thermoplastic polyester. Most of PBT resins are processed into compound materials. After being modified by various additives, blending with other resins can obtain good comprehensive properties such as heat resistance, flame retardancy, electrical insulation, and good processability.

Features

PBT has high heat resistance, can work at 140 ℃ for a long time, toughness, fatigue resistance, self-lubrication, and low friction coefficient. Not resistant to strong acids and alkalis, resistant to organic solvents, flammable and decomposed at high temperatures.

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Application

PBT is widely used in electrical appliances, automobiles, aircraft manufacturing, communications, home appliances, transportation and other industries. For example, PBT can be used to manufacture electronic components that require high dimensional stability under long-term high temperature working conditions after being modified with glass fibers. PBT has a high breakdown voltage and is suitable for making parts with high voltage resistance. Due to its good fluidity in the molten state, it is suitable for injection processing of electrical components with complex structures, such as integrated circuit sockets, printed circuit boards, computer keyboards, and electrical switches , Fuse, temperature control switch, protector, etc. Automobile bumpers, carburetors, spark plugs, fuel system components, igniters, etc. In the communication field, PBT is widely used in integrated modules, terminal boards, power tools, etc. of program-controlled telephones.

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