... diamond powder description: 1. It is the fine size of the synthetic diamond powder, widely used in polishing, finishing, super finishing and lapping powder for sapphire ... , PCD, PDC and so on. 2. Diamond grit: 0-1/2, 0-1, 0-2, 1-2, 1-3, 2-4, 3-6 ... Synthetic Diamond Micron PowdersProduct Designation Size(um)Standard of China (um)Standard of FactoryAppox. Mesh0--0.250--0.25W0.25 00.400.5W0 ...