... board 1.insects and mildew 2.superior strength 3.fireproof performance 4.light weight anti-earthquake Magnesium boardFireproof MgO ... light non-combustible perlite as filling materials.2:Performance: Fireproof MgO board's unique smooth and rough surface, is ... floor, base board of wood floorEspecially suitable for office building, home, hotel, super market, shopping center, hospital, library, hall, ...