... resistant 4.Non-burning,moisture MgO Decoration Board Advantages:1) Fireproof: magnesium fireproof board was tested by the ... has great feature of heat prevention. Thermal resistance is 1.14m2k/w4) Sound insulation: magnesium fireproof board is ... board is a light board. Its density is less than 1.0 x 1.03kg/m3. At the same time ... 2,400 x 900mm, 3,000 x 1,200mm, 2,750 x 1,200mm, 1,830 x 915mm, 600 x 600mm2) ...