glass, gem stone,natural diamond, electronic components etc,the micron powder is also suitable for making flexible discs, diamond polishing discs, diamond wire drawing dies, copping paste, precision grinding disc, PCD&PDC composites ,we control the diamond particle micron size by X-100 analysing instrument, this will guarantee to supply our customer the precise mesh size micron powders. As a professional exporter of diamond micron powder ,our products exported to North America,South East Asia and West europe markets. We also supply diamond micron powders of the following grain sizes: W0.25 W0.5 W1.0 W1.5 W2.5 W3.5 W5 W7 W10 W14 W20 W28 W40 W50 W60,if you need,pls contact us.thank you.Miss Niu