MgO-spinel refractory mix and shapes made therefrom.

摘要

Shaped refractories are formed from a refractory mix comprising (wt.%) 10-40 magnesia-alumina spinel grain contg. at least 28 MgO, 60-90 fused magnesite and up to 10 Al2O3. Also claimed is a refractory shape formed by burning the above mix.