| Customization: | Available |
|---|---|
| Feature: | Long Time Materials |
| Refractoriness (℃): | 1580< Refractoriness< 1770 |
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| Item | Specification | Supper Grade |
| 1 | Al2O3 % | 45-46 |
| 2 | SiO2% | 51-53 |
| 3 | Fe2O3%≤ | 1.2 |
| 4 | K2O+Na2O%≤ | 0.2 |
| 5 | CaO+MgO2%≤ | 0.6 |
| 6 | TiO2%≤ | 0.08 |
| 7 | Density g/cm2)≥ | 2.6 |
| 8 | Flameresistant ºC≥ | 1750 |
| 9 | LOI %≤ | 0.3 |
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