Manufacture To make pipe lengths, HDPE resin is heated and extruded through a die, which determines the diameter of the pipeline. The wall thickness of the pipe is determined by a combination of the size of the die, speed of the screw and the speed of the haul-off tractor. Polyethylene pipe is usua......
Read MorePP pipe extrusion process: the material extruded by the single-screw extruder passes through the head, and the pipe blank is drawn through the sizing sleeve, vacuum forming, spray cooling, enters the tractor for taction and cuts according to the product length specified by the process , and then unl......
Read MorePipe has three layers to provide the highest mechanical performance: 1.External black PP layer provides excellent impact resistance and long-term UV protection; 2.Intermediate PP-MD layer provides high mechanical resistance and excellent sound proofing performance; 3.Internal layer low-friction, ......
Read MorePVC Pipe has good tensile and compressive strength, but its flexibility is better than other plastic pipe, excellent corrosion resistance, the cheapest price in all kinds of plastic pipe, but low temperature brittle adhesive, rubber ring socket flange connection, threaded connection for residential ......
Read More