Sintered mullite is a high-quality refractory raw material,
It can be used in the manufacture high quality refractory bricks and castable, etc.
Specification:
Item/Grade M45 M47 M60 M70
Al2O3?(%, MIN.) 45 47 60 70
Fe2O3?(%, MAX.) 1.0 1.20 1.35 1.30
SiO2?(%,MAX) 52 50 37 27
TiO2?(%) 0.8 1.0 1.80 0.80
K2O (%) 0.08 0.08 0.10 0.10
Na2O (%) 0.08 0.08 0.08 0.10
MgO (%) 0.10 0.10 0.10 0.10
CaO (%) 0.30 0.30 0.35 0.35
Buld density (g/cm3) 2.55 2.64 2.78 2.80
Refractoriness deg .C MIN 1750 1790 1820 1850
Apparent porosity % MAX 2.0 2.0 2.8 2.8
Mullite % MIN 55 65 78 78
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