industrial furnace refractory bricks (323) Online Manufacturer
Al2O3: ≥50%
Fe2O3: ≤2%
Refractoriness: SK36
Al2O3: ≥65%
Refractoriness: SK40
Raw Material: Corundum
Fe2O3: ≤2%
Bulk Density: ≤1.0g/cm3
Raw Material: Mullite
Al2O3: ≥50%
Bulk Density: ≤1.0 G/cm3
Cold Crushing Strength: ≥3.5 MPa
Al2O3: ≥60%
Fe2O3: ≤2%
Bulk Density: ≤1.3 G/cm3
Cold Crushing Strength: ≥5.0 MPa
Bulk Density: ≤1.2 G/cm3
Linear Change On Reheating,(5h,≤2%): ≥1350 ℃
Al2O3 %: ≥90
Fe2O3 %: ≤1.0
Fe2O3: ≤2%
Apparent Porosity: ≤23%
Bulk Density: ≤1.3 G/cm3
Cold Crushing Strength: ≥5.0 MPa
Bulk Density: ≤0.7 G/cm3
Linear Change On Reheating,(5h,≤2%): ≥1350 ℃
Bulk Density: ≤0.7 G/cm3
Linear Change On Reheating,(5h,≤2%): ≥1350 ℃
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