Diamond micron powder is made of diamond crystal,It is used extensively in the fields of machinery,electronics,aviation and space flight, optical instrument, glass,ceramic,oil,geological and industry,it is an ideal material for grinding and polishing horniness alloy and optical glass.Generally, size from W0-0.5 to W6-12 is suitable for polishing,size from W5-10 to W22-36 is used for grinding, sizes of W12-22 and up is used for fine grinding.