Product Description: The HF series Iron Runner Castables uses fused alumina, high-quality bauxite and silicon carbide as the main raw material, together with the composite superfine powder and special binders, additives and antioxidants. With high strength, anti-erosion, corrosion resistance, anti-oxidation, through high iron content, it is widely used in main ditch, tributary, slag ditch and swing launder parts of the large and medium-sized blast furnace.