... % no asbestos 3) Moisture-proof CE,ISO, Magnesia oxide board/Mgo board/Fireproof board Materials:Magnesium chloride, magnesia, perlite, alkali endured epoxy glass ... ²Between 2.0-2.5 are qualified, for 4mm, our board could reach 4.5 kj/m2. so our boards are ... .CNS 13778Thicknessmm3mm-20mm Specificationmm1220*2440; 1200*2700; 1200*3000 Color white, grey, green and red Detailed Pictures: Dragon mgo ...