refractory mullite insulating brick (135) Online Manufacturer
Material: Bauxite
Color: White
Color: Yellow
Raw Material: Silica Sand
Al2O3: ≥60%
Fe2O3: ≤2%
Refractoriness: SK36
Fe2O3: ≤2%
Bulk Density: ≤0.8 G/cm3
Cold Crushing Strength: ≥3 MPa
Color: Red Or Yellow
Raw Material: Clay
Al2O3: ≥50
Apparent Porosity: ≤23
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