High Alumina Castable
1. High-Temperature Resistance;
2. Impact Resistance;
3. Excellent Chemical Resistance;
4. Great Wear Resistance;
Technical Data
| Item/Grade | GLJ-50 | GLJ-60 | GLJ-65 | GLJ-70 | GLJ-80 | |
|---|---|---|---|---|---|---|
| ω (Al2O3) ≥/% | 50 | 60 | 65 | 70 | 80 | |
| Refractoriness ≥/℃ | 170 | 172 | 172 | 172 | 178 | |
| Bulk Density ≥/ (g/cm³) | 110℃*24h | 2.15 | 2.30 | 2.40 | 2.45 | 2.65 |
| Cold Modulus of Rupture ≥/MPa | 4.0 | 5.0 | 6.0 | 6.0 | 7.0 | |
| Cold Crushing Strength ≥/Mpa | 25 | 30 | 35 | 35 | 40 | |
| Permanent Linear Change (T/℃*3h)/% | ±0.8 (1350℃) | ±0.8 (1400℃) | ±0.8 (1500℃) |
|||
Applications of High Alumina Castable
Used as the lining of neutral or acidic atmosphere furnaces such as blast furnaces, heating furnaces, electric furnace tapping troughs and replacing special-shaped bricks.