| 摘要 |
PURPOSE:To improve slag infiltration and corrosion resistance and remarkably prolong life of a ladle, etc. CONSTITUTION:An alumina-spinel-based monolithic refractory is characterized in that 5-30wt.% spinel clinker having >=1mm grain diameter, 5-15wt.% magnesia clinker having <=1mm drain diameter and 2-10wt.% quartzite having <=1mm grain diameter are contained and the remainder is composed of alumina clinker with >=90wt.% Al2O3 content and ultrafine silica powder having <=10mum grain diameter. |
