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pet材料是什么材质

更新时间: 2020-12-07 16:16:10     

聚对苯二甲酸乙二醇酯。聚对苯二甲酸乙二醇酯属于热塑性聚酯,也就是俗称的涤纶树脂。这种材质的树脂玻璃化后温度会很高,结晶的速度比较慢,如果是模塑与成型的话那么它们的形成周期也会比较长。在结晶成型以后,也是较为脆弱,对于高温的忍耐性也比较低。不过,在通用工程塑料中,聚对苯二甲酸乙二醇酯的使用周期温度与受热变形温度是最高的。特别是在温度达到250度时,发生变形变色的概率是极低的。

关键词: pet 材料 什么 材质

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