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美国瑞侃公司 WPC 热收缩带是采用高能电子射线辐照交联进行生产的,是利用高聚物聚乙烯交联具有记忆伸缩的特性制成了具有热收缩性能的热收缩带。辽鞍输油管道的防腐层是采用了该公司 WPC 热收缩带进行补口,并对弯头防腐保温、管端防水、夹克防腐层补漏也采用了该公司的配套产品,经使用一年,其防腐保温效果良好,达到了质量要求。笔者根据自己的实践,介绍了 WPC 热收缩带的制造工艺、原理、性能及现场操作等,为其他单位使用提供了方便。
US Raychem WPC heat shrinkable tape is the use of high-energy electron beam irradiation cross-linked production is the use of polymer polyethylene cross-linked with the characteristics of memory expansion has made a heat shrinkable heat shrinkable tape. The anticorrosive layer of Liaoning saddle oil pipeline adopts the company WPC shrinking belt to fill the mouth, and the elbow is anticorrosive and heat preservation, the end of the tube is waterproof, and the jacket anticorrosive layer is also used by the company’s complementary products. After using for one year, Preservative insulation effect is good, reached the quality requirements. According to my own practice, the author introduced the manufacturing process, principle, performance and on-site operation of the WPC heat shrink tape to provide convenience for other units to use.