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热收缩套管

热缩管的其中一端遇热收缩

热收缩套管，又称为热缩套管、热缩管、热缩通，是一种遇热收缩的塑胶管，由高分子材料制造[1]，常用于电力及电子工业对电线或电缆的绝缘保护。

示范热缩管受热后收缩的片段

热缩管的塑胶遇到热力会收缩[2]，当用于电线的绝缘保护时，可把一段热缩管套于电线上需要保护的位置，使热缩管完全包裹裸露的导体，然后使用电风筒或热风枪以热风吹向热缩管，热缩管会因为遇热收缩，从而紧贴须要保护的电线表面，并固定在指定位置。

参考资料

  1. ^ 神奇的高分子：有记忆的高分子 （页面存档备份，存于互联网档案馆），台湾大学高分子科学与工程学研究所
  2. ^ 熱縮套管及其原理 (PDF). [2017-06-19]. （原始内容存档 (PDF)于2019-08-27）. 
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热收缩套管
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