Graphite lantarki yana nufin wani irin high-zazzabi resistant graphite conductive abu sanya daga man fetur coke da kwalta coke a matsayin aggregates da kwal kwalta farar kamar yadda daure ta albarkatun kasa calcination, crushing da nika, batching, kneading, gyare-gyaren, yin burodi, impregnation, graphitization da inji aiki. An fi amfani da shi don yin ƙarfe, da kuma narkewar phosphorus mai launin rawaya, silicon na masana'antu, abrasives, da dai sauransu. Shi ne jagoran da ke saki makamashin lantarki don zafi da narke cajin wutar lantarki a halin da ake ciki na wutar lantarki.