yixing xinwei leeshing refractory materials co.,Ltd
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Magnesia Chrome brick Mag-Cr Brick Magnesite Chrome Bricks for high temperature kilns
Made of high purity magnesia and chrome concentrate, it is produced by high temperature firing, with properties of excellent thermal shock stability, slag attack resistance, thermal fatigues resistance, and vacuum damage resistance. In addition, they are resistant to oxidation reduction, comparatively better wear resistance and erosion resistance. Under vacuum refining conditions, or strong oxidation atmosphere, or ultra-high temperature liquid erosion, or high alkaline slag liquid and alkalinity changes in slag, the service life is the second after KROMAG FMK, but much more economical furnace lining refractories. It was widely used as working lining of furnace for steel, non-ferrous, chemical and paper making industries.
| Directly bonded magnesia chrome brick | |||||||||
| XZMGe-18A | XZMGe-18B | XZMGe-20A | XZMGe-26 | DMC-12 | DMC-6 | DMC-4 | DMC-9A | DMC-9B | |
| MgO ≥% | 55 | 55 | 60 | 40 | 60 | 75 | 80 | 70 | 70 |
| SiO2 ≤% | 1.5 | 2.5 | 3.0 | 3.2 | 2.8 | 2.5 | 2.8 | 3.0 | |
| CaO ≤% | 2.0 | ||||||||
| Cr2O3 ≥% | 18 | 18 | 20 | 26 | 12 | 6 | 4 | 9 | 9 |
| Apparent porosity | 18 | 18 | 18 | 21 | 19 | 18 | 18 | 19 | 19 |
| Normal temperature compressive strength≥MPa | 40 | 40 | 35 | 35 | 35 | 40 | 40 | 40 | 40 |
| 0.2MPa Load softening starting temperature | 1700 | 1700 | 1700 | 1700 | 1650 | 1600 | 1580 | 1600 | 1580 |
| Bulk density ≥g/cm3 | 3.0 | 3.0 | 3.10 | 3.2 | 3.0 | 2.9 | 2.95 | 2.98 | 2.98 |
All our products will be inspected before leaving the factory, and all indicators will be qualified before they are allowed to be shipped. This is our most basic guarantee for every customer.