high hardness grinding gm mill with media alumina ball
high hardness grinding gm mill with media alumina ball. PEBBLE MILL GRINDING MEDIA Grinding media may be either pebbles rock or the new development known as Coors Alumina Ceramic high density grinding media The media charged to a pebble mill should be between 50% to 55% of the mill volume The desirable characteristics of such grinding media are that they should be tough hard heavy and High