Corundum Castable
1. Corrosion Resistance;
2. High-Pressure Strength;
3. Good Volume Stability;
4. Excellent Mechanical Strength;
Technical Data
| Item | G-17 | G-18S | G-18 | |
|---|---|---|---|---|
| Maximum service temperature，℃ | 1650 | 1650 | 1700 | |
| Al2O3 ，% | ≥85 | ≥90 | ≥93 | |
| SiO₂，% | 8 | 4 | 2 | |
| B.D After Drying at 110℃，g/cm³ | 2.9 | 3 | 3 | |
| Cold Bending Strength，Mpa | 110℃*24h | 9 | 12 | 14 |
| Cold Compressive Strength，Mpa | 110℃*24h | 80 | 90 | 100 |
| Linear Change Rate After Burning PLC，% | 1100℃*3h | ±0.3 | ±0.3 | ±0.2 |
| 1500℃*3h | ±0.6 | ±0.6 | ±0.5 | |
| Construction Reference Water Consumption，% | 4.5-5.5 | 5-6 | 5.5-6.5 | |
Applications of Corundum Castable
Mainly used as lining material for various neutral or acidic high temperature kilns such as boilers, blast furnaces, heating furnaces and ceramic kilns.