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ItemMG-HQ55MG-HQ60MG-HQ65MG-HQ70Chemical Composition(%);≥Al2O355606570Bulk Density(g/cm3)110℃×16h2.32.42.42.5Linear change rate (%)1350℃×3h-0.5~+0.5-0.5~+0.5-0.5~+0.5-0.5~+0.5(1500℃×3h)Rupture Strength (MPa);≥110℃×16h66771350℃×3h7888(1500℃×3h)Cold Crushing Strength (CCS)(MPa);≥1
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Item | MG-HQ55 | MG-HQ60 | MG-HQ65 | MG-HQ70 | ||
Chemical Composition (%);≥ | Al2O3 | 55 | 60 | 65 | 70 | |
Bulk Density(g/cm3) | 110℃×16h | 2.3 | 2.4 | 2.4 | 2.5 | |
Linear change rate (%) | 1350℃×3h | -0.5~+0.5 | -0.5~+0.5 | -0.5~+0.5 | -0.5~+0.5 (1500℃×3h) | |
Rupture Strength (MPa);≥ | 110℃×16h | 6 | 6 | 7 | 7 | |
1350℃×3h | 7 | 8 | 8 | 8 (1500℃×3h) | ||
Cold Crushing Strength (CCS)(MPa);≥ | 110℃×16h | 45 | 45 | 50 | 50 | |
1350℃×3h | 65 | 65 | 70 | 70 (1500℃×3h) | ||
Working Temperature(℃) | 1350 | 1350 | 1400 | 1500 | ||
Part Used | Each part of furnace |