Graphite block iri kugadzira kubva mudzimba petroleum coke pasi pekuiswa uye yakanyanya tembiricha graphitization.Hunhu hwayo hwakanaka self-lubrication, yakakwirira simba, kukanganisa kuramba, kupfeka kuramba uye yakanakisa conductivity.Iwo anoshandiswa zvakanyanya muminda yakadai semakanika, zvemagetsi, indasitiri yemakemikari uye mamwe maindasitiri matsva.