... Asbestos Free, green environment protection, water resistance,fireproofing,noiseproofing,stability Fireproof Magnesium Oxide Board DescriptionMagnesium oxide board Raw Materialsmagnesium oxide, magnesium ... chloride, perlite, fiber glass mesh, wood fibersStandard Size1220mm×2440mm or 1200mm×2400mmMax Width1220mmMax Length3000mmThickness3-25mmDensity0 ...