12L Vertical Planetary Ball Mill Four Jars 2.2KW 12L vertical planetary ball mill drives four jars with a 2.2KW motor for ceramic and battery powder production. Key Features Four jar stations process four samples per run Variable speed 90-870 rpm with digital display Compatible with zirconia, alumina, agate and tungsten carbide jars Safety lock plus overload protection Low noise operation below 60 dB Specifications Model XQM-12L Power 2.2KW Voltage 220V-50Hz Rotation Speed 90