... working temp mainly used for blast furnace and blast furnace stove, steel-making furnace Corundum brick contain more than 90% ... features: good anti-acid, anti-alkali slag in furnace and anti-metal and anti-glass solution corrosion. Corundum ... mainly used for blast furnace and blast furnace stove, steel-making furnace refining furnace, sliding water trap, glass melting furnace, as well as petrochemical ...