Magnesium Oxide Board,mgo board,fire proof board Features: 1) 100% asbestos ... : 20 - 60mm 1,Green,Natural 2,Smooth,Uniform thickness 3,Light,easy to work 4,Corrosion Free This board is widely ... solve due to high moisture content while traditional processing.4,light,hi-strength,anticorrosion,non-aging5,Less production procedure and workload ...