... 100% asbestos free, Non-combustible,ISO,PSB, Moisture resistant Specifications100% asbestos free, Non-combustible,ISO,PSB, Moisture resistant ,fire proof,magnesium oxide ... board,magnesium fireproof boardFeatures: 1) 100% asbestos free2) Non-combustible: PSB, GB8624, CLASS A 3) Moisture resistant4) Excellent impact resistant 5 ...