: PQN4 GearDrive 4Liter Planetary Ball Mills (4 x .
WEBJun 30, 2011 · PQN4 series planetary ball mills may be used for mixing, homogenizing, fine grinding, mechanical alloying, cell disruption, small volume hightech material production and even colloidal grinding. They are the ideal wet/dry milling tools for acquiring research samples with high efficiency and low noise. Vacuum jars may be used to .