Ball Mill found in: Planetary Ball Mill, High Energy Ball Mill Emax, BeadBlaster™ 96 Ball Mill Homogenizer, GearDrive Planetary Ball Mills, Gear.. ... Zinc iron oxide nanopowder, 100 nm particle size (BET), >99% trace metals basis. MilliporeSigma ... SRM 97b is a powdered clay that was airdried, ballmilled and blended to ensure ...