... (MGO Board) Magnesium oxide sheet 100% asbestos free, Non-combustible,ISO certs.Moisture resistant ,fire proof,magnesium oxide board,A grade mgo boardmagnesium oxide board,fireproof board,magnesium fireproof boardFeatures ... 360 Application: Exterior Wall, Interior Wall, Partition Wall, Ceiling, Liner Board, Baseboard, Fire Door.. Etc. .