... hull or something else), 7% chemical additives(Anti-UV agent,Anti-oxidation agent,coupling agent,reinforcing agent,lubricants...etc ... TIME)Main excellent feathers of LVSEN wood plastic composite:1.Looks and feels like natural wood2.Durable,anti-impact,wearproof,with ... recycled,environmental friendly,saving forest resources8.Barefoot friendly,anti-slip,no cracking9.Weather resistant,suitable from-40 ...