magnesium fireproof board: 1.Sound proofing 2.Heat insulating 3.Impact resistant 4.Non-burning,moisture MgO board (magnesium oxide board) is an industry leading material widely used in ... ideal base material for external wall, internal fireproof wall, decorative veneer board, partition, floor, ceiling, insulation panel, sandwich board, fireproof door, furniture board, duct/ pipe board, ect ...