... steel pipe is 20%.)Nontoxic/ Environmentally Friendly And Non-Toxic.High flexibility.Unique Resistance to Low Temperature. ... , including: copper, iron, zinc, bauxite, lead, gold, coal, nickel laterite, phosphate, and others. UHMWPE pipelines transport many ... types of materials: coal, copper, iron, and phosphate concentrates, limestone, lead, zinc ...