... , reliable quality ,fast delviery time enjoy good reputation. ParameterUnitREGULAR POWER (RP)HIGH POWER (HP)ULTRA HIGH POWER (UHP)150-400MM450-500MM150 ... ,721,651,751,651,751,681,781,681,78Electric resistivityµΩm(max)8,05,58,05,56,55,06,55,06 ... ;• Sufficient stock in seaports to ensure competitive price&fast delivery; RP/HP/ UHP Graphite Electrode Dia.200-600mm