以碳酸钙、碳酸镁的复盐为主要成分经煅烧加方镁石为主晶相的碱性耐火制品。产品具有较高的抗渣蚀性 和高温机械强度、热震稳定性较好、抗化学浸渍较强。产品广泛应用于转炉炉衬、AOD、VOD精炼炉炉衬、石灰、 水泥回转窑烧成带等。 　　It`s made from calcium carbonate / magnesium carbonate,periclasite with alkaline refractory products as raw material .It has good slag resistance , high te-mperature machinery and strength, good thermal sh-ock stability,good chemical corrosion resistance.Ma-inly used in converter,AOD,V OD refining furnace,lime/cement rotary kiln etc.