... , 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-extinguishing 2. sound insulation, heat insulation , noise absorption, heat preservation and corrosion preventin. 3. ... non-corrosive, non-toxic and chemical resistant. 6. tough, rigid with a high impact stregth. 7. easy to clean and ...