... scrap: fixed carbon: 98.5% min, ash: 1.0% max, sulphur: 0.05%max, moisture:0.5%max , size: >=0.3mm ... BLOCK: fixed carbon: 98.5% min, ash: 1.0% max, sulphur: 0.05%max, moisture:0.5%max , size: >=100mm.Graphite ... powder: fixed carbon: 98% min, ash: 1.5% max, sulphur: 0.05%max, moisture:0.5%max , size: 0-1mm ...