... Clay Bricks for Furnace Use High-Alumina Brick for Blast FurnaceFireproof brick/Heat-resistance brickFeatures:high -temperature endurable ... large volume blast furnace with a good result.Specifications:IndexHigh-alumina brick for blast furnaceGL-55GL-65GL-75Al2O3, % ≥556576Fe2O3, ... strength, Mpa ≥49.058.870Typically Application:Fire Resistant Brick is widely used in hot blast stove, blast furnace ...