Electrode ya grafite ikozwe cyane cyane muri peteroli ya kokiya na kokiya y'urushinge, kandi bitumen yamakara ikoreshwa nka binder.Ikorwa no kubara, guteranya, gukata, gukora, guteka, gushushanya no gutunganya.Ibikoresho bito bya diameter ya grafite electrode, intera ya diameter kuva kuri 75mm kugeza kuri 225mm, electrode ntoya ya diameter ikoreshwa cyane mubikorwa bitandukanye byinganda nka calcium karbide, gutunganya karborundum, cyangwa gushonga ibyuma bidasanzwe, hamwe ninganda za Ferrosilicon.