PBT 欧盟杜邦S600F10 NC010 产品专供

PBT 欧盟杜邦S600F10 NC010 产品专供

Polybutylene terephthalate, English name polybutylene terephthalate (PBT), belongs to the polyester series, is composed of 1.4-pbt butanediol (1.4-Butylene glycol) and terephthalic acid (PTA) or terephthalate (DMT) and poly condensation, and the mixing procedure made of milky white, translucent to opaque crystalline thermoplastic polyester resin through. Collectively, together with the PET thermoplastic

 polyester, or saturated polyester

PBT 欧盟杜邦S600F10 NC010 产品专供

    PBT 欧盟杜邦S600F10 NC010 产品专供

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PBT is the toughest one of thermal plastic material, it is semi-crystalline materials, chemical stability, mechanical strength, electrical insulating properties and excellent thermal stability. These materials have good stability in a broad range of environmental conditions. PBT hygroscopic properties of very weak. Non enhanced tensile strength of PBT is 50MPa, PBT tension strength of glass additive type is 170MPa. Glass additives will lead to excessive material embrittlement. PBT; crystallization is rapid, this will cause warpage due to uneven cooling. For glass additive type of material, flow direction shrinkage can be reduced, but with the flow perpendicular to the direction of the shrinkage rate basically no difference and common materials. General shrinkage rate was 1.5%~2.8%. Between material shrinkage of 0.3%~1.6% contains 30% glass additive. The melting point (225 ℃) and high temperature deformation temperature is lower than the PET material. VEKA softening temperature of about 170 ℃. Glass transition temperature (glass trasitio temperature) at 22 ℃ to 43 ℃. The crystallization rate of PBT is very high, so its viscosity is very low, cycle time and plastic parts processing are typically low

Self lubrication, low friction coefficient, but the volume resistivity, dielectric loss. Drawback is the low impact strength, high mold shrinkage. It is mostly filled with glass fiber reinforced or inorganic modification, the tensile strength, bending strength can be increased one times above, thermal deformation temperature is also significantly improved. Can work at 140 ℃ long-term, glass fiber reinforced products longitudinal, transverse shrinkage is not consistent, easy to make the products of warping

PBT Chinese name polybutylene terephthalate, referred to as the saturated polyester, high crystalline thermoplastic plastics.

Advantages: 1, stability and mechanical properties of tensile strength and tensile modulus and nylon are similar; 2, the friction coefficient with self-lubricating;

3, low water absorption; 4, excellent electrical properties; 5, good dimensional stability; 6, chemical resistance, oil resistance, excellent.

Use: 1, electronic and electrical appliances: no fuse breaker, electromagnetic switch, flyback transformer, electrical appliance handle, connector, shell etc.;

2, the car: door handle, bumper, distributor cap, fenders, wire protective shell, wheel cover etc.;

3, industrial parts: OA fan, keyboard, fishing reel, parts, such as lamp

Features: PBT is a milky white translucent to opaque, crystalline thermoplastic polyester. Has high heat resistance, toughness, fatigue resistance, self lubrication, low friction coefficient, weathering resistance, low water absorption rate, only 0.1%, still maintain the various properties in the humid environment (including electrical properties), electrical insulation, but the dielectric loss. Hot water resistance, alkali, acid, oil, halogenated hydrocarbons but are vulnerable to erosion, hydrolysis resistance, low temperature crystallization can be rapidly, good formability. PBT crystallization speed, the most appropriate processing method for injection molding, extrusion, blow molding and other methods, coating and two processing molding, molding before drying, moisture content should fall to 0.02%. [5] PBT (enhanced, modified PBT) mainly used in automotive, electronic and electrical appliances, industrial machinery and polymer alloy, blending industry. Such as the distributor, automobile bodywork, ignition coil skeleton, an insulating cover, exhaust system parts, motorcycle ignition device, electronic and electrical appliances industry such as TV deflection coil, tube and potentiometer support, audio output transformer skeleton skeleton, adapter, switch connector, electric fan, refrigerator, washing machine, motor end cover sleeve