Sintered Mullite M47 M60 M70

Sintered mullite is a high-quality refractory raw material,
It can be used in the manufacture high quality refractory bricks and castable, etc.

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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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