Jundao (Henan) New Materials Co.,Ltd.
Jundao（Henan）New Materials Co.,Ltd.
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Alumina Magnesia Carbon Firebricks are refractory products made of super high alumina bauxite or corundum sand, magnesia sand and flaky graphite.It has the advantages of low porosity, strong resistance to slag erosion, erosion resistance and thermal shock resistance, resistance to flaking, balanced erosion, safe use, less slag staining, and easy unpacking.
It is mainly used for lining of steel drums, molten pool parts and bottoms of large-scale tundish and refining packages outside the furnace, large converters and ultra-high-power electric furnace steel bags and bottoms.
Alumina Magnesia Carbon Firebricks Features
low porosity
good slag erosion resistance
strong thermal shock resistance
| Items | Index |
| Al2O3(%) | ≥65 |
| MgO (%) | ≥12 |
| C (%) | ≥7 |
| Apparent porosity (%) | ≤8 |
| Bulk density (g/cm³) | ≥2.9 |
| Cold crushing strength (MPa) | ≥50 |
| Refractoriness under load (0.2Mpa) ℃ | ≥1650 |