|
Physical Properties |
Refractoriness (°C) | 1670 | ≥ 1710 | ≥ 1750 | |
| Softening Temp Under Load 2kg/cm2 (°C) | 1280 | ≥ 1300 | ≥ 1300 - 1400 | ||
| Porosity (%) | 26 | ≥ 26 | ≥ 24 | ||
| Compression Strength at Room Temperature (kg/cm2) | 200 | ≥ 200 | ≥ 200 | ||
| Shrinkage after Re-heating 1400°C (2 hrs) | + 0.5 | ≤ 0.7 | 0.1 - 0.5 | ||
| Chemical Analysis | AL2O3 (%) | 30 | ≥ 40 | 40 - 45 | |
| Fe2O3 (%) | 2 | ||||