MaterialCeramic(ZRO2,SI3N4) 1.Size: 0.8mm-10mm 2.Grades: G5-G20 3.Applications: Widely used in different types of ceramic,enamel,glass,chemical industry and thick hard material finishing and deep processing of the factory.It is grinding medium of the fine crushing equipment such as ball mill,vibration mill,Cylindrical grinding machine.The crushing grinding efficiency and wear resistance significantly better than ordinary or natural pebble stone ball.