... to suit your application. Use appliance:Various kind of grinders, for grinding of the powder body with high viscosity sizing agent, ... -80%. Application: It is mainly used for grinding and distribution of bauxite, zircon sand, silicon powder, solenoid materials, etc. The ... g/cm3Mohs Hardness9Wearing rate %≤0.0030 per hour, test result of 3~4mm bead ,test with 4000r/min high speed sand millSize range ...