... --8mm,3--25mm,25--50mmSpecificationsThe ferro silicon granule is silver grey,grain,and it is mainly used in smelting,steelmaking and casting. Raw ... :0-3mm ,1-10mm ,3-8mm Application It is often used as deoxidizer in steelmaking. It may be widely used in the produce ... be used as inoculant of the nodular cast iron when it is added. It is often used in metallurgy and mechanical industry, as the ...