Alumina grinding ball 1. Wearable with low abrasion 2. Multiple sizes 3. For deburring or rough grinding 4. Comply with ROHS Alumina grinding ballThe alumina grinding ball is of high density and mechanical strength, good wear-resisting property, and it is a economical non-metal grinding material, which is common used. alumina grinding ball is widely used in the fields of machinery, electronics, ...