Brief Introduction
Large crystal fused magnesia is a high-performance refractory material with the characteristics of high purity, large crystal grains, dense structure, strong slag resistance, and good thermal shock stability. It is made by melting selected special natural magnesite or high-quality high-purity light-burned magnesia particles in an electric arc furnace. The crystal size of large crystal fused magnesia is usually greater than 400-500μm, and can even reach the millimeter level.
Technical Datas
| ltem | Unit | LC-98.5 | LC-98 | LC-97.5 | LC-97 |
| MgO | % | 98.5 | 98 | 97.5 | 97 |
| SiO₂ | % | 0.35 | 0.45 | 0.60 | 0.70 |
| CaO | % | 0.65 | 0.90 | 1.10 | 1.10 |
| Fe₂O₃ | % | 0.30 | 0.45 | 0.55 | 0.60 |
| Al₂O₃ | % | 0.06 | 0.08 | 0.15 | 0.25 |
| L.0.I | % | 0.06 | 0.08 | 0.10 | 0.10 |
| Bulk Density | g/cm³ | 3.52 | 3.50 | 3.46 | 3.46 |
| Grain Size | 0-1mm,1-3mm,3-5mm,200mesh, 0-40mm,10-50mm,10-150mm | ||||
Application
In the metallurgical field, large crystal fused magnesia is mainly used to manufacture auxiliary refractory materials such as high-purity fused magnesia, gunning materials, and ramming materials. In addition, it is also used to manufacture special refractory bricks such as flow steel bricks, magnesia bricks, and magnesia-chrome bricks, as well as refractory linings on vacuum and non-vacuum induction furnaces and arc furnaces, and to manufacture magnesium oxide crucibles, furnaces, and various high-temperature casings.
