Alumina based Sintered Mullite is made of high-quality alumina powder by special process and sintered at high temperature. The product has the characteristics of high fire resistance, good resistance to chemical corrosion and good thermal vibration stability, which is widely used in iron and steel smelting, ceramics, building materials, chemical industry, nonferrous smelting and other industries. Fe2O3: 0.5% max, TiO2: 0.5% max