ʻO ka Coke Petroleum Graphite (GPC) Nā kikoʻī:FC: 99% min S: 0.05max Lehu: 0.5% max VM: 0.5% max Makū: 0.5% max Nui: 0.5-3mm;1-5mm,3-8mm,8-30mm, 0-30mm Hoʻopili ʻana: Nā ʻeke Jumbo (E like me ke koi a nā mea kūʻai aku, hiki iā mākou ke hoʻolako i nā kikoʻī a me ka nui like ʻole.)
