... of high density, high hardness, high wear resistance. The alumina grinding balls has been widely used in ball mills as abrasive media ... , high hardness, and high wear resistance. During the abrasive/grinding processing, ceramic balls will not be broken; it will not pollute the ... >1000>1000Abrasion(%)0.00840.010.011<0.08ColourWhiteWhiteYellow,WhiteBrown Alumina Grinding Balls