wpc composite decorative outdoor handrails weather resistance Waterproof,longevity Safe,Natural feel Anti-slip ... ,colorants, anti fungus agent, coupling agent, reinforcing agent, lubricants.)1.Difference between WPC and WoodWe can save 2.7cbm natural ... Grey 5.Test data AttributesMeas, StandardUnitValueDensityASTM D2395g/cm31.25-1.30Tensile StrengthGB/T1040Mpa24.0Tensile Rate in BreakGB/T1040%0.3Bending ...