... : 35%HDPE +55%wood fibre+10%chemical additives(include anti-UV additives,anti-oxidation,anti-fungus,coupling additives,stabilizers,reinforcing additives ... Advantage : 100% recycled ,environmentally friendlyLook and feel like real woodanti-UV, anti-impact, anti-moisture and termites service time is 10times ... using, material savings,cost-effective than the valuable timber. Anti-UV lumber WPC decking