... content of AL2O3, it can be divide 1. Inert Alumina Ceramic BallIn accordance with the different content of AL2O3, it ... the specification as follows: Common Ceramic Ball, Inert Alumina Ceramic Ball, Medium-Alumina Ceramic Ball, High-AluminaCeramic Ball and 99%-AluminaCeramic BallDia(Φ): 3, 6, ... 150°C.Usual type: Φ10~Φ303. Grinding Ceramic BallThe alumina grinding ball has been widely used in ball mills ...