Ferro Silicon 75 Si: 75%min Size: 10-50mm, 10-100mm, 10-150mm, etc. Ferro Silicon 75Chemical analysis:1) Si 76-78%, Al 0.1%max, C 0.05%max, Ti 0.05%max, S 0.01%max,P 0.02%max, Ca 0.1%max, Mn 0.1%max, Cr 0.1%max, Ni 0.08%max, V 0.05%max;2) Si 74-79%, Al 0.1%max, C 0.04%max, Ti 0.05%max, S 0.015%max,P 0.025%max, Ca 0.06%max, Mn 0.25%max, Cr 0.02%max, Ni 0.02%max, B 0.002%max, Pb 0.03%max, V 0.05% ...