... 1) Recycled(at least about 25times)2) Light weight,waterproof, Antiflaming and self-extinguishing,etc 3) Sound insulation, heat insulation ... , wood ,MDF,etc4. No easy indeformable 5. Light weight (than other woods) Producing Department: Package:Certificate:Production ... Property:self distinguishing lower than 5 seconds away from fire Waterproof/Antiflaming Wpc board For Construction WPC Sheet Light ...