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當前位置：特種工程塑料 >> 新聞中心 >> 什麽是工程塑料？

什麽是工程塑料？

作者：jml 发布日期：2018-11-17 10:41:29 浏覽人數：

導讀：工程塑料——是指一類可以作爲結構材料，在較寬的溫度範圍內承受機械應力，在較爲苛刻的化學物理環境中使用的高性能的高分子材料。工程塑料的性能特點1、能承受一定的外力作用；2、有良好的機械性能和尺寸穩定性，3、在高、低溫下仍能保持其優良性能，可用作工程結構件。工程塑料的主要性能熱性質：玻璃化溫度（Tg）及熔點（Tm）；熱變形溫度（HDT）高；長期使用溫度高（UL-746B）；使用溫度範圍大；熱膨脹系數小。機械性質：高強度、高機械模數、低潛變性、強耐磨損及耐疲勞性。其它：耐化學藥品性、抗電性、耐燃性、耐..

什麽是工程塑料？

工程塑料——是指一類可以作爲結構材料，在較寬的溫度範圍內承受機械應力，在較爲苛刻的化學物理環境中使用的高性能的高分子材料。

工程塑料的性能特點

1、能承受一定的外力作用；

2、有良好的機械性能和尺寸穩定性，

3、在高、低溫下仍能保持其優良性能，可用作工程結構件。

工程塑料的主要性能

熱性質：玻璃化溫度（Tg）及熔點（Tm）；熱變形溫度（HDT）高；長期使用溫度高（UL-746B）；使用溫度範圍大；熱膨脹系數小。

機械性質：高強度、高機械模數、低潛變性、強耐磨損及耐疲勞性。

其它：耐化學藥品性、抗電性、耐燃性、耐候性、尺寸安定性佳。

"什麽是工程塑料？"由“PC/ABS工程塑料”供應商-佳茂隆塑膠整理發布，如需轉載請注明來源及出處，原文地址：http://www.jyplas.com/news/325.htm

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It was for this reason, perhaps, that the action of the Clockwork man was all the more noticeable. To this day, not one of the persons present is certain as to whether or not this eccentric individual actually did laugh; but everybody is sure that such was his intention. There issued from his mouth, without a moment's warning, a series of harsh, metallic explosions, loud enough to be heard all over the ground. One compared the noise to the ringing of bells hopelessly cracked and out of tune. Others described it as being similar to[Pg 30] the sound produced by some person passing a stick swiftly across an iron railing. There was that suggestion of rattling, of the impingement of one hard thing against another, or the clapping together of steel plates. It was a horrible, discordant sound, brassy and resonant, varied between the louder outbursts by a sort of whirring and humming. 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