... proof, good heat preservation, sound insulation, shock absorption and so on. The board can be filmed or printed colorfully. It ... non-absorb water, fire retardant and self-extinguishing2. sound insulation, heat insulation , noise absorption, heat preservation and corrosion preventin.3. ... absorption ≤1.0Note : Special Color,size,thickness can be specified. High Quality Plastic PVC celuka Foam Sheet