PI棒材

产品编号: 00015
PI棒材(Polyimide)是一种新型耐高温热固性工程塑料。具有优异的电绝缘性、耐磨性、抗高温辐射性能和物理机械性能。
描述
描述

PI棒的规格:

6-100mm*1000mm长

PI棒的颜色:

黑色、咖啡色、棕色、黑蓝色
       1、耐温:可耐极低温,如在-269℃的液态氦中不会脆裂。

2、机械性能:未填充的塑料的抗张强度都在100Mpa以上,冲击强度高达261KJ/m2;作为工程塑料,弹性模量通常为3-4Gpa,纤维可达到200Gpa。

3、化学特性:不溶于有机溶剂,对稀酸稳定,一般的品种不大耐水解,这个看似缺点的性能却使聚酰亚胺有别于其他高性能聚合物的一个很大的特点;如经得起120℃,500 小时水煮。

4、冷热收缩性能:PI棒的热膨胀系数在2×10-5-3×10-5℃,高可达10-7℃。

5、优良的耐辐照性能,其薄膜在5×109rad快电子辐照后强度保持率为90%。

6、PI棒具有良好的介电性能,介电常数为3.4左右,体积电阻为1017Ω·cm。

7、PI棒为阻燃材料,UL指数达到V0以上而且发烟率低。

8、PI棒具有安全/卫生/无毒,可用来制造餐具和医用器具,并经得起数千次消毒。

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