SP-27
SP-27 is a fused, high purity magnesia-alumina spinel grain (MgAl2O4) is produced by the electric furnace co-fusion of high purity magnesia and Bayer process alumina. After solidification and cooling, it is crushed and graded to desired sizes.
Applications
- manufacture of refractories for aluminum and magnesium metal contact
- cement
- lime kiln linings