Kev faib tawm ntawm ferrosilicon 75 72 65
Ferrosilicon 75, feem ntau muaj 75% silicon, muaj cov pa roj carbon tsawg, phosphorus thiab sulfur cov ntsiab lus,
Ferrosilicon 72, feem ntau muaj 72% silicon, nrog nruab nrab carbon, sulfur thiab phosphorus cov ntsiab lus.
Ferrosilicon 65, muaj 65% silicon, muaj cov ntsiab lus siab carbon, sulfur thiab phosphorus.
ferro silicon
Hlau Silicon