Carbon-graphite ndeye-self-lubricatingmaterial, uye chinhu chinobatika chisimbiso chechiso chinoshandiswa nemhete dzekubatanidza dzezvinhu zvakaomarara sesilicon carbide, alumina, kana tungsten carbide. Ourcarbon ine yepamusoro yekupfeka maitiro uye yakafara makemikari kuramba. Forsevere corrodents kusanganisira hydrofluoric uye nitric acids, yakakosha carbongrades iripo.