Synthetic Raw Materials for Alumino-Silicate Refractories

Raw Material Formula Al2O3
Mullite 3Al2O3•2SiO2 65 – 75
(sintered, fused)
Alumina Al2O3 90 – 100
(tabular, fused)
Corundum Al2O3 90 – 100
(sintered, fused)