High pure corundum-spinel brick used in ladle was made by using white fused corundum,fused spinel and alumina micropwder as main materials and sintered at high temperature.

• 以电熔白刚玉、电熔尖晶石、氧化铝微粉为主要原料，经高温烧成，制成高纯刚玉-尖晶石钢包衬砖。