







Fused Cast Mullite Bricks are made of high alumina isotopes, composed of different alumina (3 AL203.2Si02 mass fraction of AL2O372% and Si0228%). It is melted at about 2300°C and cast in a sand mold at 1850°C, then annealed to relieve stress. The main crystalline phase is mullite and corundum, and the glass phase is filled between the crystalline phases.




















































