... of PVC Foam Board, PVC Hard Plastic Sheet 1) Light weight,waterproof, Antiflaming and self-extinguishing,etc2) Sound insulation, ... plywood , wood ,MDF,etc4. No easy indeformable 5. Light weight (than other woods) Producing Department: Package:Certificate:Production Test ... :self distinguishing lower than 5 seconds away from fire Light Weight PVC Foam Board PVC Sign Board PVC Celuka Board Manufacturer