And the refractoriness is high.It can be used in blast furnace,hot-blast furnace,the roof of electric stove and ladle backing layer.

• 具有耐火度高，抗酸、碱性熔渣侵蚀性强，高温强度大，可用于砌筑高炉、热风炉、电炉炉顶和钢包永久层。