Mamiriro makuru e graphite petroleum coke ndeaya anotevera: hunyoro huri pasi pe0.5%, sulfur iri pasi pe0.05%, phosphorus pakati pe0.04-0.01, hydrogen nitrogen pasi pe100% ppm. yakakwira kabhoni yehukuru hwepakati iri pakati nepakati, porosity ichave yakakura, kukurumidza kunyura inokurumidza, uye chimiro chayo chemakemikari chakachena, mwero wekunyura uchave wakakwira. Particle size 0-5mm, 1-5mm, 0-10mm, nezvimwewo, inogona kugadziriswa maererano nezvinodiwa nevatengi.
