以铬矿、高铝矾土、橄榄石、方镁石为主晶相的化学结合碱性不定型耐火材料，产品具有使用温度高、 体积稳定、抗渣蚀性强等特点。产品广泛应用于盛钢桶内衬、RH、DH、真空吸嘴内衬、加热炉炉底、转炉 永久衬、水泥回转窑内衬、电炉、矿热炉炉底及有色金属、冶金、玻璃等工业炉内衬。 　　It`s made from chrome ore ,bauxite,olivine,peri-clasite,it has good working temperature, bulk stability,good slag resistance,mainly used in RH,DH, vacuum suction inlet, converter,c ement rotary kiln,EAF,sme-lting furnace , non-fessous metal , metallurgy , glass etc.