Grinding Mill an overview | ScienceDirect Topics
D. Lunt, T. Weeks, in Gold Ore Processing (Second Edition), 2016. Ultrafine Grinding. Ultrafine grinding (UFG) has continued to evolve in terms of equipment development. A number of specialist machines are commercially available including Xstrata''s IsaMill ®, ''s Vertimill ®, Outotec''s High Intensity Grinding (HIG) ® mill, and the Metprotech mill.