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。
Artemis Fowl must be saved. As much for the commander as for himself. Holly closed her visor, kicked up her legs, and opened the throttle to maximum. Time to see what these new wings of Foaly’s could do.
In a little more than an hour, Holly sped into Munich ‘s airspace. She dropped to a hundred feet and activated her helmet’s radar. It would be a shame to make it this far only to be pasted by an incoming aircraft. The Kronski showed no up as a red dot in her visor. Foaly could have sent a live satellite feed, or at least the most recent video footage, but she had no way to contact the centaur, and even if she did, the Council would order her back to Police Plaza immediately.
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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