Ferro Silicon
FeSi 75% Si:75%min,Al:1.5-2%,C:0.2%max,P:0.04%max,S:0.02%max FeSi 72% Si:72%min,Al:1.5-2%,C:0.2%max,P:0.04%max,S:0.02%max FeSi 70% Si:70%min,Al:1.5-2%,C:0.2%max,P:0.04%max,S:0.02%max
size: 10-100mm, 90%min