1. high quality 2. competitve price 3. short delivery period
high quality hot sale fused magnesia-alumina spinel
Application
produce high grade magnesia-alumina brick, high performance magnesia-alumina castables, sliding nozzle, lining brick for ladle, slide plate for continues casting, nozzle block and roof brick for open hearth furnace
Specification
Chemical composition | MA-70 | MA-75 | ||
Grit > 0.1mm | Fine ≤ 0.1mm | Grit > 0.1mm | Fine ≤ 0.1mm | |
Al2O3 % | 70-75 | 70-75 | 74-80 | 74-80 |
MgO % | 23-28 | 23-28 | 19-25 | 19-25 |
SiO2 % ≤ | 0.4 | 0.4 | 0.4 | 0.4 |
Fe2O3 % ≤ | 0.20 | 0.2 | 0.20 | 0.2 |
Apparent porosity % ≤ | 5.0 | 3.0 | ||
Bulk density (g/cm3) ≥ | 3.30 | 3.35 | ||
Pictures
high quality hot sale fused magnesia-alumina spinel
