HDPE Rod has excellent temperature resistance, good chemical stability, can withstand the erosion of most acids and alkalis (it is not resistant to acid and has oxidation), insoluble in common solvents at room temperature, low water absorption, excellent electrical insulation performance; low density; toughness Good, has good tensile properties; good electrical and dielectric insulation; low water absorption; low moisture permeability; good chemical stability; tensile properties.