... Ultra High Molecular Weight Polyethylene (UHMWPE). Because of the excellent performance of the materials, our UHMWPE pipe exhibits Outstanding ... 400.46Specific Gravity0.952-0.9650.932-0.945Tensile Modulus of Elasticity (GPA)0.4-4.00.8-1.6Slurry ... nickel laterite, phosphate, and others. UHMWPE pipelines transport many types of materials: coal, copper, iron, and phosphate concentrates, limestone, ...