O le carbon-graphite o se mea e faʻapipiʻi ai le tagata lava ia, ma o se mea faʻamaufaʻailoga faʻamaufaʻailoga e faʻaaogaina i mama faʻatasi o mea e sili atu ona faigata e pei o le silicon carbide, alumina, poʻo le tungsten carbide.O la tatou kaponi e sili atu ona ofuina uiga fa'aofuofu ma lautele fa'ama'i fa'ama'i.O mea fa'ama'i tumau e aofia ai hydrofluoric ma nitric acids, fa'apitoa carbongrades e maua.