boiler furnace refractory fire bricks (54) Online Manufacturer
Bulk Density: ≤0.8 G/cm3
Linear Change On Reheating,(5h,≤2%): ≥1250 ℃
Al2O3: ≥65 %
Refractoriness: ≥1780 ℃
Al2O3: ≥65 %
Refractoriness: ≥1780 ℃
Apparent Porosity: ≤22%
Refractoriess: 1790℃
Cold Crushing Strength: ≥5.0 MPa
Linear Change On Reheating,(5h,≤2%): ≥1350 ℃
SiO2: ≥95%
Al2O3: ≤1.0%
Material: Quartz
SiO2: 95%
Al2O3: ≥55 %
Refractoriness: ≥1760 ℃
Al2O3: ≥55 %
Refractoriness: ≥1760 ℃
Bulk Density ( G/cm3): ≤1.3
Cold Crushing Strength (MPa): ≥5.0
Apparent Porosity: ≤22%
Refractoriess: 1790℃
Color: Ivery White
Al2O3: ≥40%
Colar: Red
Shape: Standard Or Special Shape
Bulk Density: ≤1.2 G/cm3
Linear Change On Reheating,(5h,≤2%): ≥1350 ℃
Color: Ivory White
Refractorienss: ≥1790℃
Al2O3: ≥55 %
Refractoriness: ≥1760 ℃
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