I-Graphitized Petroleum coke isetshenziselwa ikakhulukazi i-metallurgy & foundry, ingathuthukisa okuqukethwe kwekhabhoni ekuncibilikeni kwensimbi nokuphonsa, Futhi ingakhuphula inani lezinsimbi ezilahliwe futhi inciphise inani le-iron yengulube, noma ingasebenzisi nhlobo insimbi yensimbi. Ingase futhi isetshenziselwe ibhuleki pedal kanye friction material.
