Ferro Sililcon 1) Spec: Si:65,70,72,75 2) Size: 10-100mm, 1-3mm,3-6mm,etc 3) Shipment: Prompt Ferro ... Al:2.0%max C:0.2%max P:0.04%maxsize: 10-100mm, 20-150mm,ETC.(90% min.)Si:65%min Al:2.0 ... %max C:0.2%max ... P:0.04%maxsize: 10-100mm, 20-150mm,ETC ...