y18Mpa (GB/T7019-1997)Intensity of bending resistance when moisture-saturated condition22Mpa (GB/T7019-1997)The rate of deformation when pick up the moisture0.26% (GA160-1997)The shrinking rate when heated1.0% (GA160-1997)Water permeabilityThere is no dro of water to emerge in the back (CNS 13778)Impact resistanceNo carck,strip and run through (CNS 13778)Thermal resistance1.14m2K/W (GB/T13475-92)Sound insulation>44db (GBJ121-88)Security no asbestosAdvantagesâ—ŹFireproof Magnesium Oxide Board also