... ,Gray,black,Red,Green,Yellow,etc Introduction:Oursign PVC free foam sheet is a new type of environmental protective ... , moisture proof, water proof, good heat preservation, sound insulation, shock absorption and so on. The board can be filmed ... non-absorb water, fire retardant and self-extinguishing2. sound insulation, heat insulation , noise absorption, heat preservation and corrosion preventin.3. ...