Tilmaamaha ugu muhiimsan ee graphite petroleum coke waa sida soo socota: Qoyaan ka hooseeya 0.5%, baaruud ka hooseeya 0.05%, fosfooraska inta u dhaxaysa 0.04-0.01, nitrogen nitrogen ka hooseeya 100% ppm. content carbon sare ee size qayb waa dhexdhexaad ah, porosity noqon doonaa xad weyn, xawaaraha nuugista waa si degdeg ah, oo ay ka kooban kiimikada waa xad saafi ah, heerka nuugista noqon doonaa sare. Cabbirka walxaha 0-5mm, 1-5mm, 0-10mm, iwm, waxaa loo baari karaa iyadoo loo eegayo shuruudaha macaamiisha
