| 摘要 |
PURPOSE:To provide a castable refractory used for a lining material of a hot iron runner of a blast furnace. CONSTITUTION:In a castable refractory composed mainly of magnesia-alumina base spinel and the rest of alumina, silicon carbide, carbon and a binder, 5-20wt.% silicon carbide having >=30 particle size and 5-20wt.% hydrophilic carbon having <=2mm particle size are compounded. |
