... of specific mineral ores, concentrates and tailings, including: copper, iron, zinc, bauxite, lead, gold, coal, nickel laterite, phosphate ... UHMWPE pipelines transport many types of materials: coal, copper, iron, and phosphate concentrates, limestone, lead, zinc, nickel, bauxite ... drilling sand/rocks from underground tunnelingFood industry- UHMWPE pipes are used to transport grain, flour,etc.Chemical ...