... G10~G60Compared with steel ball, Al2O3 ball has following advantages:1. 50% lighter than steel ball, which means less centrifugal ... contamination7. Non-magnetic8. Electric isolation.Application:Al2O3ball is anti-wear, heat-resistant, anti- oxidant, and corrosion resistant, in salt solution ... ball is mainly used for pump, valve and flow-meterNote:1. Al2O3content is 99.5%2. Non-standard size could be ...