Mtengo wapamwamba wa Graphite Petroleum Coke
Kufotokozera:
Graphitized Petroleum Coke amapangidwa kuchokera ku mafuta apamwamba a petroleum coke pansi pa kutentha kwa 2800ºC.
Mbali:Mkulu wa carbon, otsika sulfure, otsika nayitrogeni, digiri yapamwamba ya graphitization, mkulu wa carbon98.5% wokhala ndi mphamvu yokhazikika pakuwongolera za carbon.

