
Ceramic coated alumina
Ceramic coated alumina is a new kind of corundum material, forming after high temperature calcination of white corundum. It retains the sharpness of ordinary white corundum, but improved toughness, no dark fringe inside, and improved crush resistance. Also after coating with metal salt and ceramics, it becomes more cohesive. Cutting disks made from it are sharper and more durable.

Development, production and sale of a variety of flexible wear resistant materials (e.g. black corundum, aslo known as black fused alumina).

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