... % asbestos free 2) Non-combustible:GB8624, CLASS A3) Moisture resistant 4) Excellent impact resistance moisture resistant calcium silicate board,CASI board, 100% non asbestos ... .5N/mm3 Size:1220mmx2440mm,1200mmx2400mm,915mmx1830mm,1220mmx3660mm Thickness:3mm---24mm moisture resistant calcium silicate board,CASI board, 100% non asbestos main Characteristics ...