... Fine powder grinding mill used?Mining, chemical ,metallurgy industryCarborundum, zirconite, quartz, granite, barite, marble, limestone, talc, gypsum, slag, porcelain ... , glass,etc Hardness is 4-6Non-explosive, non-flammable minerals How does Fine powder grinding mill ... extruding, thus get the powder Why choose Fine powder grinding mill?Energy-savingHigh-efficiencyWide Application Range ...