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Diamond micron powder is made of diamond crystal,it is extensivelyinthefieldsofmachinery,electronics,aviation and space flight,optical instrument,glass,ceramic,oil,geological and industry.it is and ideal for grinding and plolishing horniness alloy and optical glass .Generally,sizes form W 0-0.5 to W 6-12 is suitable for ploishing,sizes form W5-10 to W22-36 is used for grinding,sizes of W12-22 and up is used