... : componentZrO2(wt%)Y2O3(wt%)Al2O3Fe2O3SiO2TiO2properties94.80±0.205.2±0.20<100ppm<50ppm<450ppm<50ppmcomponentNa2OK2OCaOMgOCl-BET() Specific ... mm)Grinding media SpecificationForming technique NoteSpareΦ0.3-0.5, Φ0.6-0.8, Φ1.0-1.2 Φ1.4-1. ... .0, Φ2.2-2.4 Φ3.0, Φ4.5, Φ5.0, Φ6.5, Φ7.0 Φ8.5, Φ10, Φ12, Φ15, Φ20, ... Φ25, Φ30, Φ40, Φ50, Φ60 RollingΦ8.0, Φ10 Φ8.0 ...