The synthetic ice hockey rink barrier boards is made of composite high-density polyethylene material, and the baffle is made of national standard polyethylene baffle, which has excellent low temperature resistance (low use temperature can reach -70～-100℃), strong impact resistance, good chemical stability, and can withstand Most acid and alkali corrosion, insoluble in general solvents at room temperature, low water absorption, excellent electrical insulation; low density; good toughness (also suitable for low temperature conditions); good stretchability; good electrical and dielectric insulation; water vapor Low permeability; good chemical stability; tensile strength; non-toxic and harmless.