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The ultra-high molecular weight polyethylenelining in steel pipe wall, so that the steel plastic composite pipe not only has high strength, and at the same time, greatly improve the wayward wall, make its have the elastomer characteristic, when solid and liquid medium impact composite layer, composite layer exists only temporary contraction, wear minimal. When external forces vanish, composite layer restored the original condition, this kind of "softness" characteristic greatly reduced media on the wall of the strong erosion, reduce the media on the pipe wall direct wear, greatly improving the service life of pipeline.
Gangsu composite pipe has the following outstanding performance:
(1) rigid and other mechanical performance is good. Due to the multiple tube outer tube for steel pipe, make its have the steel tube of the rigid and its mechanical properties, is any nonmetallic pipe incomparable;
(2) resistance to stress cracking performance is good. Due to the multiple tube inner tube for elongation at break (or 150%) high UHMWPE, when the tube pressure increased suddenly, pressure through the inner tube of the buffer in the outer layer of the steel tube after effect, so it doesn't happen stress cracking of detonation tube phenomenon;
(3) high voltage, sealing good. Due to the multiple tube up pressure and seal effect is mainly steel pipe, steel pipe pressure and seal are not problems,
(4) wear resistance. Inner pipe using UHMWPE, the wear resistance of carbon steel is seven times;
(5) oil resistance, solvent resistance. Because of the high molecular weight of UHMWPE, molecular interaction winding, has the very good resistance to oil resistance, solvent properties, so it is not like a normal PE that will be affected by oil, solvent erosion;
(6) corrosion resistance. All kinds of acid, alkali substance in UHMWPE inner pipe almost no corrosive action.
Ultra-high molecular weight polyethylene pipe production line