Ore: corundum, the look of it is brown, mainly composed of alumina, high hardness, large toughness, and particle Edge, are widely used in ordinary coarse grinding of steel.

Cutting power for aluminum castings, hand tools, knives, stainless steel iron products, such as the modification of metal workpieces and grinding, metal cleaning rust, welding point of the clean-up, modification of a variety of castings, cast grinding, the edges to remove the castings excellent results

Cut and polishing wheels