Calcium Silicon (CaSi) Specs1: Ca: 30% min Si: 58% min Al: 1.5% max. C: 1.0% max. P: 0.04% max. S: 0.05% max. Specs2: Ca: 30% min Si: 60% min Al: 1.5% max. C: 1.0% max. P: 0.04% max. S: 0.05% max. Size: 0 - 1.6mm/0 - 2mm/10 - 50mm 90% min or the size as per customer's requirement