... CE Certificate 2)Class A1 Non-combustiblity 3)thermal insulation,sound absorption High quality water heater insulation blanketDescription:We are top manufacturer ... Non-combustible, nontoxic, and resistant to corrosion;3. Low thermal conductivity, stable chemical property, low moisture rate and good hydrophobicity ... -30000120025-15012,16,20,24,32,40,48 High quality water heater insulation blanket