1.Chemical composition: Si(30%-75%),Fe,Ai,Ca 2.Size: according to your ... month (timely delivery) 4.1t/bag Product: The ferrosilicon powder 1. Shape: lump , granule , powder , briquetting 2. Size ... 0mm-3mm 3. Chemical composion: Si(30%-75%),Fe,Ai,Ca,Mn,Cr,C,P,S4. To precipitate ... Mainly as deoxidizer, inoculant, electrode coating and for beneficiation.1. Ferrosilicon is often used as deoxidizer in steel- ...