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Refractory ladle lining brick




High Alumina Ladle Bricks
Its produced with selected bauxite chamotte by advanced process and strict quality control. The main mineral components are corundum and mullite phases. It features excellent high temperature mechanics and chemical corrosion resistance.
Item | Index | ||||
International code name | SK35 | SK36 | SK37 | SK38 | SK40 |
Al2O3 min % | 48-55 | 55-65 | 65 | 75 | 80 |
Fe2O3 max % | 2 | 2 | 2 | 2 | 2 |
Refractoriness ℃, min | 1750 | 1770 | 1790 | 1790 | 1790 |
Refractoriness under load (0.2MPa) ℃, min | 1420 | 1470 | 1500 | 1520 | 1530 |
Linear change on reheating (1500℃, 2h) % | +0.1~ -0.4 *1450℃ | +0.1~ -0.4 | +0.1~-0.4 | +0.1~ -0.4 | +0.1~ -0.4 |
Apparent porosity max % | 24 | 23 | 23 | 22 | 20 |
Cold crushing strength Mpa, min |
30 |
40 |
50 |
60 |
70 |











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