Coke ya calcium petroleum ingagawidwe m'magulu awiri: coke ya sulfure yokhala ndi sulfure yoposa 3%, ndi coke ya sulfure yokhala ndi sulfure yochepera 3%. Coke ya calcium petroleum yokhala ndi calcium yotsika mtengo imagwiritsidwa ntchito makamaka poyenga silicon yamafakitale ndikupanga mapulasitiki a anode. Coke ya sulfure yokhala ndi calcium yambiri nthawi zambiri imagwiritsidwa ntchito ngati mafuta m'mafakitale a simenti ndi m'mafakitale amagetsi.
