... Application: The products are widely used as grinding media of ball mill on ceramics, cements, paints, refractories, inorganic mineral ... powders industries, etc. Technical date Sheet of abrasive alumina ball: Performance Index92 SeriesAl2o3(%)≥92Fe2O3(%)≤0.3Moh’s hardness9Moisture content ... $950/T Payment: 30% deposit, balance before shipment Alumina ball with 92%, white ceramic ball, grinding ball