Alumina after fusion, in its high temperature phase, is also called corundum or fused alumina. In nature, corundum is the hardest mineral after diamond.

DURALOX white fused aluminas are chemically inert and pure white powders with blocky shape particles.

Baikowski offers tightly classified powders in the FEPA grit sizes F150 (89µm) to F1200 (3 µm) for use in specialty applications including Precision Lapping, Technical Ceramics and Surface Reinforcement.