... used for Repair Underwater Pipelineand adheres to Metal, plaster ,PVC, Copper, Rubber, Fiberglass, Concrete, Wood, Ceramic, Polyester, ect.The impact ... cable joint.1. It's applied to the shrinkable pipe-packed technology of the junction of non-pneumatic communication cable ... leakage-proof repair, especially on the pipe repair. It can improve the pressure capacity of pipe highly.3. It's applied ...