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| Categories | High Alumina Fire Bricks |
|---|---|
| Brand Name: | Jundao(Henan) |
| Model Number: | Magnesia chrome bricks used in metallurgical industries the construction of flat furnace tops |
| Certification: | ISO9001:2015 |
| Place of Origin: | Henan China |
| MOQ: | 25t |
| Price: | negotiate |
| Payment Terms: | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability: | 4500Ton/mon |
| Packaging Details: | Fumigated wooden pallet, plastic or steel bandages strapped and the whole outside is wrapped with thermoplastic film. |
| MgO /%: | ≥60 |
| Cr2O3 /%: | ≥15 |
| SiO2 /%: | ≤2 |
| Bulk density /g/cm3: | ≥3.1 |
| Apparent porosity /%: | ≤18 |
| Cold crushing strength /Mpa: | ≥40 |
| Linear change rate /% (1600℃ 3h): | +0.23 |
| Application: | RH furnace working layer of external refining furnace |
Magnesia chrome bricks are mainly used in metallurgical industries, such as the construction of flat furnace tops, electric furnace tops, refining furnaces and various non-ferrous metal smelting furnaces.
Magnesia chrome bricks used in metallurgical industries the construction of flat furnace tops
The refractory product for RH furnace is mainly magnesia chrome brick. The fused magnesia chrome sand and chrome ore with high content of Cr2O3 and high purity are the main raw materials. This type of brick has high refractoriness, high temperature strength, strong resistance to alkaline slag corrosion, excellent thermal shock resistance and certain adaptability to acidic slag.
| Items | Index value |
| MgO /% | ≥60 |
| Cr2O3 /% | ≥15 |
| SiO2 /% | ≤2 |
| Bulk density /g/cm3 | ≥3.1 |
| Apparent porosity /% | ≤18 |
| Cold crushing strength /Mpa | ≥40 |
| Linear change rate /% (1600℃ 3h) | +0.23 |
| Application | RH furnace working layer of external refining furnace |
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