High Alumina Refractory Bricks 1 With high refractoriness. 2 mechanical behavior Under high temperature. ... Widely used in blast furnaces, Hot Blast Stove,Steel ladle lining, Reheating furnace, Cement kiln, Tunnel kiln,boiler, coke oven, carbon ... furnace,glass kiln , Steel smelting furnace and various kiln lining and thermotechnical equipment, etc