Ukucaciswa okuyinhloko kwe-graphite petroleum coke imi kanje: okuqukethwe komswakama ngaphansi kuka-0.5%, isulfure ngaphansi kuka-0.05%, i-phosphorus phakathi kuka-0.04-0.01, i-hydrogen nitrogen ngaphansi kuka-100% ppm. okuqukethwe kwekhabhoni ephezulu kosayizi wezinhlayiyana kuphakathi, i-porosity izoba nkulu ngokuqhathaniswa, isivinini sokumuncwa siyashesha, futhi ukwakheka kwayo kwamakhemikhali kuhlanzekile, izinga lokumunca lizoba phezulu. Usayizi wezinhlayiya 0-5mm, 1-5mm, 0-10mm, njll., zingacutshungulwa ngokuya ngezidingo zamakhasimende
