Products
Products
04 · Refractories for Non-ferrous Smelting Furnaces
Fused Rebonded Magnesia-Chrome Brick
- Code
- JXDMGe
- Grades
- JXDMGe-12 · JXDMGe-16 · JXDMGe-18 · JXDMGe-20 · JXDMGe-22 · JXDMGe-24 · JXDMGe-26 · JXDMGe-30B
- 1700
- Refractoriness under load T0.6 ℃ ≥
- 50
- Cold crushing strength MPa ≥
JXDMGe-12
JXDMGe-12
The fused rebonded magnesia-chrome brick is a basic product made mainly from high-quality fused synthetic magnesia-chrome grain, with a small amount of high-purity magnesia, imported chrome concentrate and additives, by high-pressure forming and high-temperature firing. It withstands high temperature, erosion and corrosion; its corrosion resistance is better than that of fused semi-rebonded and direct-bonded magnesia-chrome bricks, but its thermal shock resistance is lower than theirs. A basic product of excellent performance, it is especially suitable for the critical areas of all kinds of non-ferrous furnaces.
Physical and chemical properties
| Property | JXDMGe-12 | JXDMGe-16 | JXDMGe-18 | JXDMGe-20 | JXDMGe-22 | JXDMGe-24 | JXDMGe-26 | JXDMGe-30B |
|---|---|---|---|---|---|---|---|---|
| MgO % ≥ | 70 | 65 | 62 | 60 | 55 | 50 | 46 | 42 |
| Cr₂O₃ % ≤ | 12 | 16 | 18 | 20 | 22 | 24 | 26 | 30 |
| SiO₂ % ≤ | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 |
| Apparent porosity % ≤ | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 |
| Bulk density g/cm³ ≥ | 3.10 | 3.15 | 3.18 | 3.20 | 3.25 | 3.28 | 3.30 | 3.32 |
| Cold crushing strength MPa ≥ | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 |
| Refractoriness under load T0.6 ℃ ≥ | 1700 | 1700 | 1700 | 1700 | 1700 | 1700 | 1700 | 1700 |
These data are average results of production samples; typical values must not be regarded as maximum or minimum values.
Where product data differ from the goods actually supplied, the specifications in the supply contract or the actual test data of the batch prevail.
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