calcined petroleum coke ose mea fa'a-petrochemical, ma o ana mea mata o le suau'u coke lanu meamata. E faʻaaogaina lautele i le gaosiga o oloa carbon e pei o le graphite electrode, poloka graphite ma le paʻu taofi. E mafai foi ona faʻaaogaina e pei o le carbon additive i nisi o laʻau uʻamea ma laau alumini. E mafai foʻi ona faʻaaogaina e pei o refractory, mea faʻapipiʻi vevela, faʻatumu, ma isi. Faʻamatalaga: Kaponi tumau 97%, sulfur 3.0%, lefulefu 0.5%, volatile 0.6%, susu 0.5%,
O le a matou sii maia le tau sili i le taimi e maua ai au faʻamatalaga manaʻomia ma le tele.
