Dead Burned Magnesite is with high density and low reactivity, widely used for production of refractory bricks, monolithic mixes and direct usage in a steel plant aggregates. Physical and Chemical Specifications Items MgO%> SiO2%< CaO%< lgL%< B.D>(g/cm3) Grain Size (mm) DBM-95 95 2.50 1.80 0.30 3.18 0 - 30 DBM-94 94 2.50 2.00 0.30 3.18 0 - 40 DBM-92 92 3.50 2.00 0.30 3.15 All kinds of sizes DBM-91 91 4.00 2.00 0.30 3.15 All kinds of sizes DBM-90 90 4.50 2.50 0.30 3.13 All kinds of sizes DBM-89 89 4.80 2.70 0.50 3.10 All kinds of sizes