... , Mgo wall board, Mgo glass fiber board 1) Grade A fireproof 2) 100% no asbestos 3) Moisture-proof CE,ISO, Magnesia ... oxide board/Mgo board/Fireproof board Materials:Magnesium chloride, magnesia, perlite, alkali endured epoxy glass ... , our board could reach 4.5 kj/m2. so our boards are good.CNS 13778Thicknessmm3mm-20mm Specificationmm1220*2440; 1200*2700; 1200 ...