Description:
FM70 is a kind of fused mullite made by fusing high purity silicon sand and aluminum oxide in
electrical arc furnace. It has very low Residual carbon, well growed acicular crystal.
FM70 characters good thermal shock resistance and strong anti-corrosive ability.
Applications:
FM70 is used for making glass kiln lining brick, E-glass sedimentation tanks mullite brick, BF low creep sillimanite brick, and ceramic kiln applications.
Typical Chemical Analysis:
Al2O3 70-77%
SiO2 22-29%
Fe2O3 0.10%max.
R2O3 0.50%max.
RO 0.30%max.
Typical Physical Properties:
Color White or gray
Mullite phase 3Al2O3 2SiO2 95%min.
Glass phase 5.0%max.
Linear expansion coefficient (1/°C) -6.0 x 10-6
Density of volume (g/cm3) 3.12
Refractoriness 1840 oC
Split Sizes Available :
5-3mm, 3-1mm, 1-0mm, 0-200mesh, 0-325mesh
Other size available upon request.
Fused Mullite