Koke ya peteroli ifite ibara rya semi-graphitized ikoreshwa cyane mu nganda, ikoreshwa nk'umusaruro wa karuboni mu byuma, gucukura, no gucukura neza; bikoreshwa mu gukora ibicanwa bishyuha cyane mu gushongesha, amavuta yo kwisiga mu nganda z'imashini, electrode n'amakaramu y'amapine; Ikoreshwa cyane mu bikoresho bigezweho byo gukaraba no gusiga irangi mu nganda zikora ibyuma, ibitera imbaraga mu bikoresho bya pyrotechnic mu nganda za gisirikare, uburoso bwa karuboni mu nganda z'amashanyarazi, electrode mu nganda za bateri, ibikomoka ku ifumbire mvaruganda, n'ibindi.
