Ferro silicon 1.Often used as deoxidizer in steel-making 2.Packing sophisticate No leakage 3.CompositionFe,Si,Ca,Mn,Cr,S Ferro Silicon Ferro silicon is composed of iron and silicon ferroalloy. Ferrosilicon is coke, steel scurf, quartz (or silica) as raw material and using the iron smelting furnace made from silicon alloy. Because of silicon and oxygen easily dissatisfied silica, so when fesi ...