refractory mullite insulating brick (135) Online Manufacturer
Raw Material: Andalusite
Al2O3: ≥65%
Bulk Density: ≤1.2 G/cm3
Cold Crushing Strength: ≥4.5 MPa
Raw Material: Andalusite From South African
Al2O3: ≥55%
Fe2O3: ≤2%
Apparent Porosity: ≤23%
Al2O3: ≥62
SiO2: ≤36
Fe2O3: ≤2%
Apparent Porosity: ≤23%
Refractoriness: SK34
Fe2O3: ≤2%
SiO2: 54.2%
Al2O3: 45%~70%
Bulk Density: ≤0.8 G/cm3
Cold Crushing Strength: ≥3.0 MPa
Bulk Density: ≤1.0 G/cm3
Cold Crushing Strength: ≥3.5 MPa
Fe2O3: ≤2%
Apparent Porosity: ≤23%
Bulk Density: ≤1.2 G/cm3
Cold Crushing Strength: ≥5 MPa
Raw Material: High Alumina
Color: White
Al2O3: ≥65%
Fe2O3: ≤2%
Raw Material: Andalusite From South African
Al2O3: ≥60%
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