... supply Ferro Silicon Calcium as following specification:Ca:28-30%, Si:55-65%, Al:2.0% max.Size: 0-2mm, 10-100mm ... , 20-150mm, ETC.(90% min.)Ca:30%min, Si:55-65%, Al:2.0% max.Size: 0-2mm, 10-100mm ... , 20-150mm, ETC.(90% min.)Ca:30%min, Si:58%min, Al:2.0% max.Size: 0-2mm, 10 ...