... board, 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 ... 0-2.5 are qualified, for 4mm, our board could reach 4.5 kj/m2. so our ... green and red Detailed Pictures: Dragon mgo board