Mica Ball Mill Machine For Micron PowdersMica Ball Mill Machine For Micron Powders Micron powder grinder are five models of ultra fine powder grinding mill machine in our shanghai clirik machinery they are hgm80 hgm90 hgm100 hgm125 and hgm1680 the ultra fine powder grinding mill is the new type mining equipment for making micro powders fine powders which is widely applied in the industries of metallurgy mining