WPC cladding and WPC facade Poplar fiber, HDPE Looks like nature wood ... , coupling agent, reinforcing agent, lubricants...etc.)Product Details: Product NameWPC cladding and WPC facadeSizes128x23mm, 130x14mm, 140x21mm, 150x20mm, 157x21mm, 185x30mm, 225x16mm, OptionalLength2 ...