Dead Burned Magnesite is produced by natural magnesite after high-temperature being calcined in the vertical kilns.It is an ideal material for making bricks and unshaped refractory materials,its finished products are used in Steelmaking furnaces,eletric furnace bottom and ramming furnace lining. Specification GradeMgO,% SiO2,% CaO,% lgL,% B.D% DBM-92923.52.00.33.15 DBM-91914.02.00.33.15 DBM-90904.52.50.33.13 DBM-89894.82.70.53.10 Application: A.Refractory Industry B.Flame retardants C.Agricultural Grade D.Building Industry E:Food grade F:Abrasive G:Medical grade H:Chemical industry