... fine size of the synthetic diamond powder, widely used in polishing, finishing, super finishing and lapping powder for sapphire polishing, gemstone polishing ... natural diamond, ceramic polishing, Electronic components and other hard materials. Diamond micron powder also can be made into diamond polishing ... disc, diamond paste, PCD, PDC and so on. 2. Diamond powder grit: 0-1/2, 0-1, 0 ...