Anti-Abrasion High Pressure Sand Dredging Dredge Mud Oil Water Mine Mining UHMWPE Pipe. Superior Anti-Abrasion: Bulk loss is only 1/7 of steel pipe under same conditions. High Pressure Resistance: Applicable under pressure ranging from 0.2Mpa to 4.0Mpa. Long Service Life: Used life is 7 times longer than steel pipes. Light Weight Design: Density is 1/8 of steel, making convey and install easy. Anti-Aging Capability: Contains anti-ultraviolet material for over 50 years use. Corrosion Resistant: Solid structure provides excellent anti-corrosion protection. Low Friction Coefficient: Friction coefficient is 0.05-0.11, lowest among pipe materials.