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03 · Refractories for Glass Furnaces
Direct-Bonded Magnesia-Chrome Brick (Glass Furnaces)
- Code
- JXDMMC
- Grades
- JXDMMC-12
- 1680
- Refractoriness under load T0.6 ℃ ≥
- 45
- Cold crushing strength MPa ≥
JXDMMC-12
JXDMMC-12
The direct-bonded magnesia-chrome brick is a high-quality product made from high-purity magnesia and imported chrome concentrate by high-pressure forming and high-temperature sintering. It withstands high temperature and resists thermal shock and corrosion.
Physical and chemical properties
| Property | JXDMMC-12 |
|---|---|
| MgO % ≤ | 70 |
| SiO₂ % ≤ | 8.0 |
| ZrO₂ % ≤ | 12 |
| Bulk density g/cm³ ≥ | 3.0 (tube type) |
| Bulk density g/cm³ (cont.) | 3.05 (non-tube bricks) |
| Apparent porosity % ≤ | 18 |
| Cold crushing strength MPa ≥ | 45 |
| Refractoriness under load T0.6 ℃ ≥ | 1680 |
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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