... -UV agent, Anti-oxidation agent, stabilizers, colorants, anti-fungus agent, coupling agent, reinforcing agent, lubricants...etc.)Product Details: Product NameWPC cladding and WPC ... , fully recyclable.2. With natural wood grain, color and texture, looks like nature wood.3. Waterproofing, fireproofing, ... less warping.5. No need painting, no glue.6. Can be planed, nailed, drilled and cut to any wanted ...