Description
High chrome brick primarily consists of Cr2O3 as its main component. This composition grants the brick low wettability with slag and high viscosity following its reaction with slag, resulting in exceptional corrosion resistance. These properties make high chrome brick extensively used in various high-temperature furnaces, including basalt pool kilns, soda-lime silica glass melting furnaces, and coal water slurry gasifiers.
Technique Data
| Item | Index | |||
| GGZ-75 | GGZ-85 | GGZ-90 | GGZ-95 | |
| Cr2O3 % | ≥75 | ≥85 | ≥90 | ≥95 |
| Cr2O3+Al2O3+ZrO2 % | ≥98 | ≥98 | ≥98 | ≥98 |
| SiO2 % | ≤0.2 | ≤0.2 | ≤0.2 | ≤0.2 |
| Fe2O3 % | ≤0.3 | ≤0.3 | ≤0.3 | ≤0.3 |
| K2O+Na2O % | ≤0.2 | ≤0.2 | ≤0.2 | ≤0.2 |
| Apparent porosity % | ≤18 | ≤18 | ≤16 | ≤16 |
| Bulk density g/cm3 | ≥3.90 | ≥4.2 | ≥4.22 | ≥4.25 |
| Cold Crush Strength MPa | ≥120 | ≥120 | ≥120 | ≥120 |
