1. Sound insulation, heat insulation, noise absorption, heat preservation and corrosion preventin. 2. Flame retardance Features: 1. Sound insulation, heat insulation, noise absorption, heat preservation and corrosion preventin. 2. Flame retardance, self-extinguishing 3. Moisture resistant, mould proof, weather proofadhesive can be one year removability with no adhesive; Residue and it will be not ...