Alumina grinding balls 1.Density>3.62g/cm3 2.Wear lost<0.009 % 3.Size range:1.5mm ~70mm 4.Manufactory type:CIP or Rolling Alumina grinding balls have characteristics of high strength, high density, high abrasion, entire specification,strong practicability. It can be used for ball mill, mixing mill, vibration mill, sand mill, etc. The products are widely used in construction ceramics, sanitary ...