What is a Diamond cup?

Diamond cup is an abrasive used for grinding concrete, blocks, bricks, stones, etc. It is called a diamond cup because diamond is used for the abrasive grains (hard grains for grinding) of the cup wheel. Attached to power tools such as disc grinders, it is used for chamfering and grinding large areas of hard materials. Abrasive grains used for abrasives are broadly divided into general abrasive grains and superabrasive grains. Furthermore, general abrasive grains are divided into alumina and silicon carbide, and superabrasive grains are divided into cubic boron nitride and diamond. The ability to cut hard materials is higher in the order of alumina < silicon carbide < cubic boron nitride < diamond.

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