聚乙烯热收缩防水帽,是由辐射交联聚乙烯和特种热熔胶复合而成的防腐材料。分直筒型和帽型两种,多用于保温管的管端,钢质管道采用硬质聚氨酯泡沫防腐保温技术,在正常情况下水是不能进入钢管表面的,但在实际生产中,受多种因素影响,泡沫性能会降低,与钢管粘接不好而形成空腔,这样水会从缺陷处进入钢管表面,为避免从管端进水,保温管道必须使用防水帽防水,它的优点是不受保温层收缩的影响,一端与防护层牢固粘接,另一端与防腐层严密结合主要用于具有泡沫夹克管的两端,连接外夹克与内夹克钢管,起到密封、防水、免受机械损伤,防腐等作用
![](http://tiebapic.baidu.com/forum/w%3D580/sign=9ca24bfea0cd7b89e96c3a8b3f254291/3ba8e9a6d933c89599e6d34f971373f0830200f3.jpg?tbpicau=2024-08-06-05_c7ce128fc5431fc45f65402dd34e4c33)
帽型防水端帽
![](http://tiebapic.baidu.com/forum/w%3D580/sign=e327c7050c90f60304b09c4f0913b370/0d9e181ab051f819efbd487e9cb44aed2f73e7fc.jpg?tbpicau=2024-08-06-05_734ae419e3e610937bcb5b5a561a14ae)
直筒式防水端帽
![](http://tiebapic.baidu.com/forum/w%3D580/sign=f38fb858563853438ccf8729a312b01f/a79f1b7fca806538ca72ef27d1dda144ac3482fc.jpg?tbpicau=2024-08-06-05_911c10006cb9c0672fba12724baf8078)
![](http://tiebapic.baidu.com/forum/w%3D580/sign=952dd81aeed3fd1f3609a232004f25ce/04c28e1e95cad1c8b020b713393e6709c83d51fc.jpg?tbpicau=2024-08-06-05_7bf772099780cd47970504993548b617)
![](http://tiebapic.baidu.com/forum/w%3D580/sign=9ca24bfea0cd7b89e96c3a8b3f254291/3ba8e9a6d933c89599e6d34f971373f0830200f3.jpg?tbpicau=2024-08-06-05_c7ce128fc5431fc45f65402dd34e4c33)
帽型防水端帽
![](http://tiebapic.baidu.com/forum/w%3D580/sign=e327c7050c90f60304b09c4f0913b370/0d9e181ab051f819efbd487e9cb44aed2f73e7fc.jpg?tbpicau=2024-08-06-05_734ae419e3e610937bcb5b5a561a14ae)
直筒式防水端帽
![](http://tiebapic.baidu.com/forum/w%3D580/sign=f38fb858563853438ccf8729a312b01f/a79f1b7fca806538ca72ef27d1dda144ac3482fc.jpg?tbpicau=2024-08-06-05_911c10006cb9c0672fba12724baf8078)
![](http://tiebapic.baidu.com/forum/w%3D580/sign=952dd81aeed3fd1f3609a232004f25ce/04c28e1e95cad1c8b020b713393e6709c83d51fc.jpg?tbpicau=2024-08-06-05_7bf772099780cd47970504993548b617)