cement kiln lining refractory fire bricks (57) Online Manufacturer
Al2O3: ≥48%
SiO2: ≤45%
Al2O3: ≥48%
SiO2: ≤45%
Raw Material: Mullite
Al2O3: ≥42%
Color: Yellow
Apparent Porosity: ≤23%
Al2O3: ≥50
Apparent Porosity: ≤23
Al2O3: ≥72%
Fe2O3: ≤2.5%
Bulk Density ( G/cm3): ≤1.3
Cold Crushing Strength (MPa): ≥5.0
Color: Ivory White
Refractoriness: ≥1790℃
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