Wani irin coke da aka samu ta hanyar jinkirta coking na ragowar mai.Mahimmancin sigar carbon da aka zayyana wani yanki ne.Baƙar fata ne mai launi kuma mai laushi, a cikin nau'in granules da aka tattara, kuma ba za a iya narke ba.Abun da aka tsara shi ne yafi carbon, lokaci-lokaci yana ƙunshe da ƙaramin adadin hydrogen, nitrogen, sulfur, oxygen da wasu abubuwan ƙarfe, wani lokacin kuma tare da danshi.Ana amfani da shi sosai a cikin ƙarfe, masana'antar sinadarai da sauran masana'antu azaman lantarki ko albarkatun ƙasa don samar da samfuran sinadarai.

Halin halittar coke na man fetur ya bambanta da tsari, yanayin aiki da yanayin ciyarwa.Coke din man fetur da aka samar daga wurin bitar coke na man fetur ana kiransa da kore coke, wanda ke dauke da wasu sauye-sauye na mahadi na hydrocarbonized mara kuzari.Ana iya amfani da koren coke azaman coke mai darajar man fetur.Electrodes da ake amfani da su wajen ƙera ƙarfe suna buƙatar ƙididdige su a babban zafin jiki don kammala carbonization da rage ƙananan abubuwa masu canzawa zuwa ƙarami.

Siffar coke da aka samar a mafi yawan tarurrukan coke na man fetur shine baƙar fata-launin ruwan kasa mai kauri mai kauri.Irin wannan coke kuma ana kiransa coke na soso.Nau'i na biyu na coke na man fetur mai inganci shine ake kira allura coke, wanda ya fi dacewa da electrodes saboda ƙarancin ƙarfin lantarki da haɓakawar thermal expansion coefficient.Nau'i na uku na kokon man fetur mai wuya ana kiransa shot coke.Wannan coke yana da siffa mai kama da majigi, yana da ɗan ƙaramin fili kuma ba shi da sauƙin yin coke, don haka ba a amfani da shi sosai.

Coke Petroleum yana ɗaukar mai mai nauyi ko wani mai mai nauyi bayan distillation ɗin ɗanyen mai a matsayin ɗanyen abu, kuma ya wuce ta bututun tanderun 500 ℃± 1℃ dumama tanderun a cikin ƙimar girma mai girma, don haka ana yin fashe da haɓakar haɓaka a cikin hasumiya ta coke. sannan a sanyaya coke na wani lokaci.Coking da decoking suna samar da coke mai.