Jundao (Henan) New Materials Co.,Ltd.
Jundao（Henan）New Materials Co.,Ltd.
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Magnesium chromium ramming mass good slag resistance refractoriness under load
In recent years, magnesia-chrome refractories have been widely used in high-temperature kiln furnaces such as non-ferrous smelting furnaces, molten steel refining furnaces and cement rotary kiln,etc.
Magnesium-chromium ramming material is mainly used in direct contact with molten material, so it is required that the granule and powder materials must have high volume stability, compactness and erosion resistance.
Features of magnesium chromium ramming mass:
It has good refractoriness under load, high temperature strength, corrosion resistance, thermal shock stability, low thermal conductivity and good use effect, and can extend the service life of the product.
| Item |
MgO (%) ≥ |
Cr2O3 (%) ≥ | Bulk density (g/cm3) ≥ | 110℃ dry off Compressive strength (MPa) ≥ | 1300℃ after burning Compressive strength (MPa) ≥ | 1600℃ after burning Compressive strength (MPa) ≥ |
| JD-GD95 | 95 | 2.0 | 2.50 | 40 | 40 | 40 |
| JD-GD90 | 90 | 2.0 | 2.70 | 38 | 34 | 38 |
| Application | Magnesium chromium ramming mass is used for repairing converter and can be filler of tapping hole. | |||||
| Remark | The specification is just for reference only. The real products will be tailored to special operation conditions and customer’s special requirements. | |||||