Here at Kingbull, as a leading piping solution provider in China, we offer a vast variety of pipes and fittings for water supply system such as PPR pipes and fittings, PVC-U pipes and fittings, PEX pipes and fittings, and PE pipes and fittings. These water supply pipes and fittings feature the best designs, with excellent mechanical and chemical properties, high energy efficiency, and low cost.
It makes about 5% ethylene in the molecular chain of PP random copolymer, with approximately 140℃ melting point, 130℃ vicat softening point, 270kj/cm2 tensile strength and 8kg.cm/cm impact strength.
The PP-R stabi pipes offer all the advantages of PP-R pipes.
They also come with small linear expansion coefficient that is only 1/5 of that of common PPR pipes, close to that of metal pipes. Comparison diagram is shown below.
Based on years of development and a large number of experiments, Kingbull releases PPR-Steel-PPR composite pipes and combination fittings to the market which successfully handle the connection problems of steel-plastic composite pipes.
They are ideally used in various PEX plumbing applications as indoor water supply pipes, hot water pipes, drinking water delivery pipes, etc.
The PEX pipe is available in various colors. Black pipe is suitable cold water supply, red for hot water supply, green for rain collection and purple for waste water drainage.
Based on the up to date manufacturing techniques and industry know-how, the PAP pipe is constructed using 5 layers in total, including, from inner to outer, PE-X inner, adhesive, aluminum alloy, adhesive and PE-X outer.