Castables is oneof the unshaped refractory materials. It is made of refractory aggregate, refractorypowder, binders and other additives. It is loose, no fixed shape. It has highliquidity, casting and vibration molding. 1.Furnaces of metallurgy industry, heat treatment2. Furnaces of incinerationof garbage, recirculatingfluidized bed furnace. 3. Furnaces of chemical industry and construction