Spinel lithium manganese oxides
spinel-like mixed oxides
spinel-type oxides ZnFe2O4
composite oxides including TiO2 and other oxides
Alumina enriched magnesia alumina spinel
Alumina- spinel- carbon brick
Alumina-magnesia spinel
Alumina-spinel castables
Alumina-zirconia-Spinel
Aluminium titanate-mullite-magnesium-aluminate spinel
Aluminium-spinel-carbon
Aluminium-spinel-carbon brick