体育 hdpe(white and black) is a high crystallinity, non-polar thermoplastic resin, with good chemical stability, can resist most acid and alkali organic solutions and hot water erosion, electricity good edge, easy to weld. pe (polyethylene) has good chemical stability, can resist most acid, alkali organic solution and hot water erosion, electrical insulation, easy to weld. characteristics: low density, good toughness (also suitable for low temperature conditions), good tensile property, good electrical and dielectric insulation, low water absorption, low water vapor permeability, good chemical stability, good tensile property, non-toxic no harm, and so on. .