Grey Mgo 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 epoxy glass cloth, etc. Features: 1) 100% asbestos free2) Non-combustible: PSB, GB8624, CLASS A3) Moisture resistant4) Excellent impact resistant5) Excellent Sound ...