PURPOSE: To obtain a refractory having strong resistance to alkali attack and thermal shock, etc., by adding a sintering agent and antioxidant to a blend containing zirconia, carbon and silicon carbide at specific ratio, adding a binding agent thereto and kneading, forming and burning the blend.

CONSTITUTION: 2-10wt.% sintering agent and 1-5wt.% antioxidant are added to 100wt.% mixture consisting of 10-85wt.% zirconia, 5-25wt.% carbon and 10-85wt.% silicon carbide and a binding agent is added thereto and the mixture is kneaded, formed and burned. Zirconia consisting essentially of zirconia stabilized with CaO, MgO or Y2O3 and being a material having excellent alkalinity is used as the above-mentioned zirconia. A carbon such as calcined anthracite, pitch coke or petroleum coke having proper graphitization and having dense structure being ≤60% in graphitization degree is used as the carbon. Purity of silicon carbide is preferably ≥80wt.%.