al2o3 high alumina insulating brick (131) Online Manufacturer
Raw Material: High Alumina
Color: Yellow
Apparent Porosity: ≤24%
Bulk Density: ≥2.4g/cm3
Al2O3: ≥75 %
Refractoriness: ≥1780 ℃
Al2O3: ≥62
SiO2: ≤36
Raw Material: Mullite
Al2O3: ≥50%
Raw Material: Andalusite From South African
Al2O3: ≥55%
Bulk Density: ≤0.8 G/cm3
Cold Crushing Strength: ≥3.0 MPa
Material: Alumina Cement
Shape: Powder
Al2O3: ≥72
Fe2O3: ≤1.0
Material: Quartz
SiO2: 95%
Molding Method: Machine Pressed Brick
Al2O3: 40-55
Bulk Denisty: ≥2.2
CCS: ≥45Mpa
SiO2: 40~55
Al2O3: 30~60
SiO2: 40~55
Al2O3: 30~60
Al2O3: ≤1.0%
Fe2O3: ≤1.3%
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