主要性能
a、机械性能:强度高、耐疲劳性、尺寸稳定、蠕变也小(高温条件下也极少有变化);
b、耐热老化性:增强后的UL温度指数达120~140℃(户外长期老化性也很好);
c、耐溶剂性:无应力开裂;
d、对水稳定性:高温下遇水易分解(高温高湿环境下使用需谨慎);
e、电气性能:
1、绝缘性能:优良(潮湿、高温也能保持电性能稳定,是制造电子、电气零件的理想材料);
2、介电系数:3.0-3.2;
3、耐电弧性:120s;
f、成型加工性:普通设备注塑或挤塑。由于结晶速度快,流动性好,模具温度也比其他工程塑料要求低。在加工薄壁制件时,仅需几秒钟,对大部件也只要40-60s即可。
Then he made the mistake of moving again, and one of his broken ribs actually punched through the skin. A red stain blossomed on his shirt, and Artemis gave up the fight to stay conscious.
It had taken Holly only ninety minutes to reach Germany. On a normal mission it would have taken at least twice that, but Holly had decided to break a few LEP regulations. Why not- she reasoned. It wasn’t as if she could get into any more trouble. The LEP already thought she had killed the Commander, and her communications were blocked so she could not explain what really happened. No doubt she was classified as rogue, and there was a Retrieval squad already on her tail. Not to mention the fact that Opal Koboi was probably keeping electronic tabs on her. So there was no time to lose.
深圳市科斯莫科技有限公司长期代理销售 美国诺瓦 PC
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