The Refractory slurry is suitable for high alumina brick and clay brick masonry in blast furnace, pipe and duct. Around the regenerator and the stove combustion chamber, coke oven flue and other parts, refractory clay slurry joints and repair ladle, ladle permanent layer, furnaces used in brick masonry, at different temperature have high strength, tight joints, good adhesion and thermal insulation properties, resistance to slag and gas erosion, abrasion resistance, good air tightness, convenient construction etc.