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Calcared Petrooleum coke (CPC Coke)
Coke tace kayan shine kwal 40 a ƙarƙashin yanayin iska, mai zafi zuwa 950-950 ℃, bayan bushewa, pyrensis, molrensis, molten, haɗin gwiwa a ƙarshe.
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Graphite Petrooleum Coke (GPC Coke)
Ana iya amfani da zane-zane na petrooleum a matsayin carbon Raiser (recarburizer) don samar da ƙwaya mai ƙarfi, jefa baƙin ƙarfe da adon. Hakanan za'a iya amfani dashi a filastik da roba kamar ƙari.
