Kayayyakin Kayayyakin Kayayyakin Kayayyakin Man Fetur Coke
Graphitized Petroleum Coke (GPC)wani abu ne mai tsafta mai tsafta wanda aka samar ta hanyar graphitization na coke na man fetur a yanayin zafi mai tsananin zafi (yawanci sama da 2500°C). Wannan tsari yana canza danyen coke ɗin zuwa tsarin graphite crystalline, yana haɓaka ƙarfin lantarki, kwanciyar hankali na zafi, da juriya na sinadarai.
