... more convenient and more cheaper.Light weight, easy to handle or install. UHMWPE pipe with light weight 1/8 of steel, so ... specific mineral ores, concentrates and tailings, including: copper, iron, zinc, bauxite, lead, gold, coal, nickel laterite, phosphate, and others ... coal, copper, iron, and phosphate concentrates, limestone, lead, zinc, nickel, bauxite and oil sands. UHMWPE slurry pipeline is also ...