Brand Chemical Analysis(%) Physical Properties MgO SiO2 Al2O3 Fe2O3 CaO B.D(g/cm3) C/S DM-98 98 0.31 0.09 0.5 1.0 3.50 2.0 DM-97.5 97.5 0.42 0.11 0.6 1.2 3.50 2.0 DM-97 97 0.55 0.11 0.7 1.2 3.45 2.0 DM-96 96 0.9 0.12 0.75 1.8 3.35 2.0