Silicon Briquette Usage: raw material for steel making instead of FeSi to save produce cost Silicon Briquette1) Spec: Si 50-55%, C 8% max, Al 5% max, S 0.15% max, P 0.05% max, Moisture 2% max Size: 10-60mm or at customer's option2) Spec: Si 65% min, Al 3% max, S 0.03% max, C 2% max, P 0.05%max, Fe balance Size: 10-60mm or at customer's option. Silicon Briquette