ag or sag mill, intermediate grinding to a ball mill or tower mill, and ne grinding to a stirred mill such as an isamill or stirred media detritor smd. of course, various exceptions to these typical values can be found. in ne grinding, a material with an f80 of less than 100 lm is comminuted to a p80 of 7 to 30 lm. p80s of 2 lm are
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