I-silicon slag yimveliso ephuma kwi-silicon kunye ne-ferrosilicon yesinyithi esinyibilikisayo. Luhlobo lwenkunkuma edada esitovini ngexesha lokunyibilikisa i-silicon. Umxholo wayo usuka kwi-45% ukuya kwi-70%, kwaye ezinye ziyi-C,S,P,Al,Fe,Ca. Ixabiso liphantsi kakhulu kune-silicon metal ecocekileyo. Endaweni yokusebenzisa i-ferrosilicon ekwenzeni intsimbi, inokunciphisa iindleko.
