Magnesia-chrome brick
Product parameter
Magnesium-chrome bricks for cement kilns
Selection of high quality sintered magnesia, sintered magnesia chrome sand, high purity chromium concentrate by high pressure molding, high temperature sintering. Products with less impurity content, high firing temperature, high direct combination rate of high temperature mineral phase, low porosity, it has high strength, strong corrosion resistance, good thermal shock stability and excellent high temperature performance and easy to hang the characteristics of kiln skin, long service life.
| Brand/index | Chemical composition(%) | Apparent Porositt(%)≤ | Bulk density (g/cm³)≥ | Cold crushing strength (Mpa)≥ | 0.2Mpa load softening starting temperature(℃)≥ | Thermal shock stability 1100℃ Water cooling (secondary)≥ | ||
|---|---|---|---|---|---|---|---|---|
| MgO≥ | SiO2≤ | Cr2O3≤ | ||||||
| ZMGe-8A | 70 | 1.5 | 8 | 18 | 3.05 | 40 | 1700 | 5 |
| ZMGe-8B | 70 | 2.5 | 8 | 18 | 3.05 | 40 | 1650 | 5 |
| ZMGe-8C | 70 | 3 | 8 | 18 | 3.05 | 40 | 1650 | 5 |
| DMC-8A | 70 | 3.5 | 8 | 18 | 3.05 | 45 | 1700 | 6 |
| DMC-8B | 70 | 2.5 | 8 | 18 | 3.05 | 50 | 1700 | 6 |
| DMC-12A | 70 | 1.5 | 12 | 18 | - | 45 | 1700 | 6 |
| DMC-12B | 70 | 2.5 | 12 | 18 | - | 45 | 1700 | 5 |
Magnesium-marked brick for non-ferrous metal furnace
According to the requirements and characteristics of refractory performance in the non-ferrous industry, the magnesia chrome brick formula is optimized and appropriate additives are added, formed by high pressure and sintered at high temperature. The product has many advantages such as low porosity, high compressive strength and good corrosion resistance.
| Brand/index | Chemical composition(%) | Apparent Porositt(%)≤ | Bulk density (g/cm³)≥ | Cold crushing strength (Mpa)≥ | 0.2Mpa load softening starting temperature(℃)≥ | Thermal shock stability 1100℃ Water cooling (secondary)≥ | ||
|---|---|---|---|---|---|---|---|---|
| MgO≥ | SiO2≤ | Cr2O3≤ | ||||||
| ZMGe-12A | 70 | 1.5 | 12 | 18 | 3.1 | 45 | 1700 | 6 |
| ZMGe-12B | 70 | 2.5 | 12 | 18 | 3.1 | 45 | 1700 | 5 |
| ZMGe-16A | 65 | 1.5 | 16 | 18 | 3.15 | 40 | 1700 | 6 |
| ZMGe-16B | 65 | 2.5 | 16 | 18 | 3.15 | 45 | 1700 | 5 |
| ZMGe-18A | 60 | 1.5 | 18 | 18 | 3.2 | 40 | 1700 | 6 |
| ZMGe-18B | 60 | 2.5 | 18 | 18 | 3.2 | 45 | 1700 | 5 |
| ZMGe-20A | 55 | 2 | 20 | 18 | 3.2 | 40 | 1700 | 7 |
| ZMGe-20B | 55 | 3 | 20 | 18 | 3.2 | 40 | 1700 | 6 |
| ZMGe-26A | 50 | 2 | 26 | 18 | 3.25 | 40 | 1700 | 7 |
| ZMGe-26B | 50 | 2.5 | 26 | 18 | 3.25 | 40 | 1700 | 6 |
Magnesia-chrome brick for VOD, AOD, RH furnace and other off-furnace refining furnace
The main raw materials are fused magnesia chrome sand, sintered magnesia chrome sand, chrome concentrate and high purity sintered magnesia, which are formed by high pressure and fired at ultra-high temperature. The product has less impurity content, excellent high temperature strength and slag erosion resistance, and good thermal shock resistance.
| Brand/index | Chemical composition(%) | Apparent Porositt(%)≤ | Bulk density (g/cm³)≥ | Cold crushing strength (Mpa)≥ | 0.2Mpa load softening starting temperature(℃)≥ | Thermal shock stability 1100℃ water cooled(time)≥ | |||
|---|---|---|---|---|---|---|---|---|---|
| MgO≥ | SiO2≤ | Cr2O3≤ | |||||||
| Semi recombined magnesium chrome brick | BMGe-16A | 65 | 1.5 | 16 | 16 | 3.1 | 40 | 1700 | 3 |
| BMGe-16B | 65 | 2 | 16 | 16 | 3.1 | 40 | 1700 | 3 | |
| BMGe-18A | 60 | 1.5 | 18 | 16 | 3.15 | 40 | 1700 | 3 | |
| BMGe-18B | 60 | 2 | 18 | 16 | 3.1 | 40 | 1700 | 3 | |
| BMGe-20A | 55 | 1 | 20 | 16 | 3.15 | 40 | 1700 | 4 | |
| BMGe-20B | 55 | 1.5 | 20 | 16 | 3.15 | 40 | 1700 | 4 | |
| BMGe-22 | 50 | 2.5 | 22 | 16 | 3.15 | 40 | 1700 | ||
| BMGe-26 | 45 | 2.5 | 26 | 16 | 3.15 | 40 | 1700 | ||
| Electromelt rebonded magnesia chrome brick | DMGe-12 | 70 | 1.5 | 12 | 15 | 3.3 | 50 | 1700 | |
| DMGe-14 | 70 | 1.5 | 14 | 15 | 3.3 | 50 | 1700 | ||
| DMGe-16 | 65 | 1.5 | 16 | 15 | 3.3 | 50 | 1700 | ||
| DMGe-18 | 60 | 1.5 | 18 | 15 | 3.2 | 50 | 1700 | ||
| DMGe-20 | 55 | 2 | 20 | 16 | 3.25 | 50 | 1700 | ||
| DMGe-26 | 45 | 2 | 26 | 17 | 3.25 | 50 | 1700 | ||
