PE(X)-AL-PE(X)(PAP) multilayer pipe is a five-layer composite pipe, its inside and outside layers are made of Hi-Density, Cross-Linking or Medium Density Polyethylene (HDPE or PEX), tightly bonded with heating adhesive to the mid-layer of longitudinally overlapped-welded aluminum core of the pipe. All layers are extruded by one step.
Composite pipe is widely applied in the cold and hot water supply, solar power and air conditioner pipe system in the industrial and civil uses......