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ItemMG-LNMG-DA55MG-DA60MG-DA65MG-DA70Chemical Composition(%);≥Al2O34255606570Bulk Density(g/cm3);110℃×16h2.22.252.32.42.5Linear change rate (%)1350℃×3h-0.5~0(1300℃×3h)-0.5~0(1300℃×3h)-0.5~+0.5-0.5~+0.5-0.5~+0.5Rupture Strength (MPa);≥110℃×16h455671350℃×3h5(1300℃×3h)6(130
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Item | MG-LN | MG-DA55 | MG-DA60 | MG-DA65 | MG-DA70 | |
Chemical Composition (%);≥ | Al2O3 | 42 | 55 | 60 | 65 | 70 |
Bulk Density(g/cm3); | 110℃×16h | 2.2 | 2.25 | 2.3 | 2.4 | 2.5 |
Linear change rate (%) | 1350℃×3h | -0.5~0 (1300℃×3h) | -0.5~0 (1300℃×3h) | -0.5~+0.5 | -0.5~+0.5 | -0.5~+0.5 |
Rupture Strength (MPa);≥ | 110℃×16h | 4 | 5 | 5 | 6 | 7 |
1350℃×3h | 5 (1300℃×3h) | 6 (1300℃×3h) | 6 | 7 | 7 | |
Cold Crushing Strength (CCS)(MPa);≥ | 110℃×16h | 25 | 30 | 30 | 35 | 40 |
1350℃×3h | 40 (1300℃×3h) | 45 (1300℃×3h) | 45 | 55 | 55 | |
Working Temperature(℃) | 1350 | 1400 | 1400 | 1450 | 1450 | |
Part Used | Low temp. part, roof, side wall | Each part of furnace |