... Si,Fe,Ca,S,P,C 2.application:steel-making,iron casting 3.no dust,unweathered lump 4. ... composition:Si,Fe,Ca,S,P,C2.application:steel-making,iron casting3.no dust,unweathered lump4.all size ... Application:Ferrosilicon is often used as deoxidizer in steel-making.Ferrosilicon also can be used as alloy elements join ... :SUNNYTEL:86-0411-83611644/0086-15998488207 We supply ferro silicon of high quality