Graphite block e etsa ho tloha lapeng petroleum coke tlas'a impregnation le phahameng mocheso graphitization. Litšobotsi tsa eona ke ho itlotsa hantle, matla a phahameng, ho hanyetsa tšusumetso, ho hanyetsa ho roala le conductivity e babatsehang. Li sebelisoa haholo mafapheng a joalo ka mechini, lisebelisoa tsa elektroniki, indasteri ea lik'hemik'hale le liindasteri tse ling tse ncha.