Ferro Silicon Calcium 1. Ca28Si55 2. Ca30Si55 3. Size: 0-2mm. 10-100mm, etc. Ferro Silicon Calcium CopmpositionCASIALCSpecifation25%MIN55~65%2.0%MAX1.0%MAX28%MIN55~65% 2.0%MAX 1.0%MAX 30%MIN55~65% 2.0%MAX 1.0%MAX Size 10-30MM, 1-3MM, (90% Min.) Dear sirs,We produce and 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.( ...