Graphite rauv yog ib qho khoom siv uas tuaj yeem ua graphite los ntawm ntau yam pob zeb thiab tshuaj.Nws tuaj yeem siv los tsim cov khoom siv graphite nrog cov khoom zoo, kev ua haujlwm siab thiab muaj zog hluav taws xob conductivity.Muaj ntau hom graphite rauv, hom dav hlau, ntsug, hom ncua kev kawm, hom kua thiab lwm yam.