... 3.long life 4.self lubrication UHMWPE Gas Pipeline Main Products:wear resistant UHMWPE slurry dredge pipeline, Slurry Dredging Pipes, Sand Dredging Pipes ... used in dredging, mining, water supply, metallurgical mines, electric power, petroleum, natural gas, textiles, paper making, food, chemical industry, machinery, etc. UHMWPE Gas Pipeline