Corundum products and corundum synthetic products are characterized with excellent thermal shock resistance, corrosion resistance and have super properties in erosion and spalling.
They are widely used in glass furnace, cement kiln, heaters molten steel ladle, metallurgical furnaces for non-ferrous metals and furnace for chemical engineering industries.
| Index Item |
SMC-90 |
SMC-95 |
| Al2O3 % ≥ |
90 |
95 |
| Fe2O3 % ≤ |
0.8 |
0.6 |
| Bulk Density (g/cm3) ≥ |
3.0 |
3.05 |
| Apparent porosity % ≤ |
20 |
20 |
| Cold Crushing Strength( Mpa) ≥ |
80 |
80 |
| Refractoriness under load (0.2MPa)≥ |
1700 |
1700 |
| Permannent linear change (1550º Cx2h) (%) |
+/-0.1 |
+/-0.1 |
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