... 32-325mesh) carbon content(75-99.9%) ash2-3% graphite electrode powder mainly used in metallurgy industry as carbon raisers,reducer , ... the process of machining electrodes , processing, smashing, filtering waste graphite, mainly used in metallurgy industry as carbon raisers,reducer , ... sulphur: 0.05%max, moisture:0.5%max , size: >=100mm.Graphite powder: fixed carbon: 98% min, ash: 1.5% max, sulphur: ...