Refractoriness: SK36
Al2O3: ≥65%
Refractoriness: SK34
Fe2O3: ≤2%
Bulk Density: ≤1 G/cm3
Cold Crushing Strength: ≥2 MPa
Cold Crushing Strength: ≥3 MPa
Linear Change On Reheating，（5h,≤2%）: ≥1250 ℃
Bulk Density: ≤1.2 G/cm3
Cold Crushing Strength: ≥4.5 MPa
Bulk Density: ≤1.2 G/cm3
Cold Crushing Strength: ≥4.5 MPa
Bulk Density: ≤0.8 G/cm3
Cold Crushing Strength: ≥3.0 MPa
Bulk Density: ≤0.7 G/cm3
Linear Change On Reheating，（5h,≤2%）: ≥1350 ℃
Bulk Density: ≤0.7 G/cm3
Cold Crushing Strength: ≥2.0 MPa
Bulk Density ( G/cm3): ≤1.3
Cold Crushing Strength (MPa): ≥5.0
Colore: Grey
Al2O3: ≥42%
Al2O3: ≥55 %
Refractoriness: ≥1760 ℃
Al2O3: ≥65 %
Refractoriness: ≥1780 ℃
Al2O3: ≥75 %
Refractoriness: ≥1780 ℃
Al2O3: ≥65 %
Refractoriness: ≥1780 ℃
Al2O3: ≥55 %
Refractoriness: ≥1760 ℃
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