Wholesale DEM Series Mullite Brick Manufacturer and ...
2021-11-18u2002·u20023. The main raw material of fused mullite brick is high bauxite, alumina and refractory clay, by adding charcoal or coke fines as a reducing agent. After molding using the reduction method to manufacture. 4. The crystallization of fused mullite is larger than sintered mullite and thermal shock resistance is better than sintered products. 5.
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