Ko te UHP graphite electrode e whakaputahia ana e te taumata teitei o te hanga o te ngira coke, te pāmahana graphitization ki runga ki te 2800 ~ 3000 ° C, te graphitization i roto i te aho o te oumu graphitizing, te maimoatanga wera, na tona parenga o raro, iti whakarea roha rārangi me te waiariki ru ātete pai hanga reira e kore e kapiti, ka pakaru, ka whakaaetia e te kiato o naianei.