以方镁石为主晶相的碱性耐火制品。产品具有较高的熔点 ，荷重软化温度和高温机械强度 ，抗碱性熔 渣化学侵蚀抗氧化等特点。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 、 建材（水泥回转窑、玻璃熔窑、）等。 　　It`s made from periclasite with alkaline refractory products as raw material,it has good r efractoriness d-egree , refractory under load , high temperature mac-hinery strength and corro sion resistance.It can be ap-plied metallurgy(EAF,Converter,Mixer furnace) ,non-　ferrous(smel ting furnace),high temperature tunnel kiln,sintered magnesite kiln,buildings and materials(cem ent rotary kiln ,glass kiln) etc.