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al2o3 high alumina refractory bricks (215) Online Manufacturer
Al2O3: ≥45%
SiO2: ≤50%
Bulk Density: ≤1.15 G /m³
Sio2: ≥90%
SiO2: ≥95%
Al2O3: ≤1.0%
Al2O3: 30~60
SiO2: 40~55
Al2O3: ≥52%
Fe2O3: ≤2%
Bulk Density (g/cm3): ≤1.2
Cold Crushing Strength (MPa): ≥4.5
Color: Yellow
Apparent Porosity: ≤23%
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