PDF Filling and Balancing of Grinding Jars of Planetary Ball Mills
Only same material Do not mix ball sizes 1 3 2 4 1 Dry grinding:Fill appr.¹⁄³ of the jar volume with grinding balls and 1/3 with sample (see table below for recommended amount of balls). Note: If sample loses volume during grinding, some sample should be refilled. 2 Wet grinding: Fill in appr.²⁄³ of the jar volume with grinding balls