Technical data Chemical composition Magnesium oxide,magnesium chloride,saw dust,perlite,glass fiber cloth,non-woven cloth Material Modified magnesia cement Fireproofing characteristic A grade non combustible(GB8624) Density 0.95-1.1g/cm3 Intensity of bending resistance when dry 18Mpa(GB/T7019-1997) Intensity of bending resistance when moisture-saturated condition 22Mpa(GB/T7019-1997) The rate of deformation when pick up the moisture 0.26%(GA160-1997) The shrinking rate when heated 1.0%(GA160-1997) Water permeability there is no drop of water to emerge in the back(CNS13778) Impact resistance No crack,strip and run through(CNS13778) Thermal resistance 1.14m2k/w(GB/T 13475-92) Sound insulation 44db(GBJ121-88) Color white or grey Security 100% does not include the asbestos,formaldehyde,and benzene Radioactivity Not limited by the scope of application(GB6566-2001) WELCOME VISIT WWW.WORLDPULL.COM TO GET MORE INFORMATION.