Products Description
1. good resistance to corrosion and abrasion,
2. good thermal shock resistance, good spelling resistance
3. high mechanical strength, good volume stability under high temperature.
Products Specifications
| Item/Grade | Fire clay brick | |||
| ZAFCB-30 | ZAFCB-32 | ZAFCB-34 | ZAFCB-35 | |
| AL2O3% (≥) | 30 | 35 | 38 | 45 |
| Fe2O3% (≤) | 2.5 | 2.5 | 2 | 2 |
| Refractoriness(SK) | 30 | 32 | 34 | 35 |
| Refractoriness under load, 0.2MPa, °C (≥) | 1250 | 1300 | 1360 | 1420 |
| Apparent porosity (%) | 22-26 | 20-24 | 20-22 | 18-20 |
| Bulk density (g/cm³) | 1.9-2.0 | 1.95-2.1 | 2.1-2.2 | 2.15-2.22 |
| Cold crushing strength ,MPa (≥) | 20 | 25 | 30 | 40 |
Advantage
1. Low coefficient of linear expansion
2. Low thermal conductivity,
3. Strong resistance to the acid slag erosion,
4. Excellent thermal shock resistance,
5. High Refractoriness under load,
6. Low high-temperature creep rate.
