Iru elekiturodu graphite yii jẹ pataki ti epo koki.O gba laaye lati gbe iwuwo lọwọlọwọ kere ju 12~14A/㎡.Ni gbogbogbo o ti lo ni deede agbara ina aaki ileru fun ṣiṣe irin, ṣiṣe ohun alumọni, ṣiṣe irawọ owurọ ofeefee ati bẹbẹ lọ.