... White,Red,Green,Yellow,Blue,etc. PVC Foam Sheet Introduction:Oursign PVC free foam board is a new type of ... alkaliacid resistance, moisture proof, water proof, good heat preservation, sound insulation, shock absorption and so on. The board ... water, fire retardant and self-extinguishing2. sound insulation, heat insulation , noise absorption, heat preservation and corrosion preventin.3. weather proof, ...