PBT+PET IQ8280SF

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VALOX? PBT+PET EH7025AG resin SABIC Innovative Plastics

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VALOX? PBT IQ2205HV resin SABIC Innovative Plastics

VALOX? PBT IQ3001 resin SABIC Innovative Plastics

VALOX? PBT IQ315 resin SABIC Innovative Plastics

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VALOX? PC+PBT IQ357 resin SABIC Innovative Plastics

VALOX? PC+PBT IQ357M resin SABIC Innovative Plastics

VALOX? PC+PBT IQ357U resin SABIC Innovative Plastics

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VALOX? PBT IQ420HP resin SABIC Innovative Plastics

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VALOX? PC+PBT IQ507 resin SABIC Innovative Plastics

VALOX? PBT+PET IQ8280SF resin SABIC Innovative Plastics

VALOX? PBT IQNH4550 resin SABIC Innovative Plastics

VALOX? PBT IQNH4560 resin SABIC Innovative Plastics Asia Pacific

VALOX? PBT IQNH4565 resin SABIC Innovative Plastics Asia Pacific

VALOX? PBT K3501 resin SABIC Innovative Plastics

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VALOX? PBT V2000DM resin SABIC Innovative Plastics

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VALOX? PBT V3004 resin SABIC Innovative Plastics Asia Pacific

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VALOX? PBT V4860HR resin SABIC Innovative Plastics

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VALOX? PBT+PET V8280 resin SABIC Innovative Plastics

VALOX? PBT+PET V8280SF resin SABIC Innovative Plastics

VALOX? ABS+PBT+PET VAC7041 resin SABIC Innovative Plastics Asia Pacific

VALOX? PBT VC108 resin SABIC Innovative Plastics Asia Pacific

VALOX? PBT VC112 resin SABIC Innovative Plastics Asia Pacific

VALOX? PBT VC120 resin SABIC Innovative Plastics Asia Pacific

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VALOX? PBT VIC4311 resin SABIC Innovative Plastics

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VALOX? ABS+PBT VX4910 resin SABIC Innovative Plastics Europe

VALOX? PBT VX4920 resin SABIC Innovative Plastics Europe

VALOX? PBT VX4930 resin SABIC Innovative Plastics Europe

VALOX? PBT VX5011 resin SABIC Innovative Plastics Europe

VALOX? PBT VX5022 resin SABIC Innovative Plastics Europe

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PBT理化特性

　　PBT为乳白色半透明到不透明、结晶型热塑性聚酯。具有高耐热性、韧性、耐疲劳性，自润滑、低摩 ccp PBT擦系数，耐候性、吸水率低，仅为0.1%，在潮湿环境中仍保持各种物性（包括电性能），电绝缘性，但体积电阻、介电损耗大。耐热水、碱类、酸类、油类、但易受卤化烃侵蚀，耐水解性差，低温下可迅速结晶，成型性良好。缺点是缺口冲击强度低 ，成型收缩率大 。故大部分采用玻璃纤维增强或无机填充改性，其拉伸强度、弯曲强度可提高一倍以上，热变形温度也大幅提高。可以在140℃下长期工作，玻纤增强后制品纵、横向收缩率不一致，易使制品发生翘曲。


PBT燃烧鉴别

　　不易燃烧，燃烧时无液体流下，离开火焰后在5秒钟内熄灭，（相似于PC）PBT加工工艺

　　PBT又可称为热塑性聚酯塑料，为适用于不同加工业者使用，一般多少会加入添加剂，或与其它塑料掺混，随着添加物比例不同，可制造不同规格的产品。由于PBT具有耐热性、耐候性、耐药品性、电气特性佳、吸水性小、光泽良好，广泛应用于电子电器、汽车零件、机械、家用品等，而PBT产品又与PPS、PC、POM、PA等共称为五大泛用工程塑料。


PBT 结晶速度快，最适宜加工方法为注塑，其他方法还有挤出、吹塑、涂覆和各种二次加工成型，成型前需预干燥，水分含量要降至0.02%。PBT的注塑工艺特性与工艺参数的设定

　　PBT的聚合工艺成熟、成本较低，成型加工容易。未改性PBT性能不佳，实际应用要对PBT进行改性，其中，玻璃纤维增强改性牌号占PBT的70%以上。

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