... ) Commodity: Ferro Silicon Specifications: Si 75%min., Al 2.0%max., C 0.2%max., S 0.02%max., P ... 10-100mm or as required,90%min. Packing: 1mt big bag (2) Commodity: Ferro Silicon Specifications: Si 70%min., Al 2.0% ... max., C 0.2%max ... : Ferro Silicon Specifications: Si 65%min., Al 2.0%max., C 0.2%max., S 0.02%max., ...