以方镁石为主晶相的碱性耐火制品。产品具有较高的耐火度，荷重软化温度和高温机械强度， 抗碱性熔渣化学侵蚀力强等特点。产品广泛应用与冶金（电炉、转炉、混铁炉）、有色（冶炼炉 ）、高温隧道窑、烧结镁砂窑、建材（水泥回转窑 、玻璃熔窑 、新型石灰窑）、轧钢（均热炉、 加　热炉）等。 　 It`s made from periclasite with alkaline refractory products as raw material,it has good refractoriness d-egree , refractory under load , high temperature mac-hiner y strength and corrosion resistance.It can be ap-plied metallurgy(EAF,Converter,Mixe r furnace) ,non-ferrous(smelting furnace),high temperature tunnel kiln,sintered magn esite kiln,buildings and materials(cement rotary kiln ,glass kiln, new type lime kil n) , steel rolling(soaking furnace,heating furnace) etc.