The use of which in the refining furnace showed good slagresistance and good results for decreasing carbon the oxygen content in hot steel and increasing the rate of de-sulphurization.

【英文摘要】 A synthesized magnesite-dolomite was used as starting material,some fused magnesite clinker as additives the new inorganic material as binder to produce unburned magnesite-calcia bricks.