| Technical Data | High Chrome Brick | |||
| GG-90 | GG-86 | GG-60 | ||
| Chemical Composition (wt%) | Cr2O3 | ≥90 | ≥86 | ≥60 |
| Fe2O3 | ≤0.1 | ≤0.1 | ≤0.1 | |
| Volume Density (kg/m3) | ≥4250 | ≥4150 | ≥3800 | |
| Apparent Porosity (%) | ≤17 | ≤17 | ≤18 | |
| Normal Temperature Compression Strength (MPa) | ≥100 | ≥90 | ≥90 | |
| Refractoriness under Load (℃) | 0.2MPa，0.6% | ＞1700 | ＞1700 | ＞1700 |
| Refiring Linear Change (%) | 1600℃×3h | ±0.3 | ±0.3 | ±0.3 |
| Maximum Service Temperature (℃) | ≥1950 | ≥1950 | ≥1900 | |
