... Graphite Electrode Grade: RP, HD, HP,SHP, UHP Diameter: 50--600mm Length available:48"/60"/72"/84"/96" Product Name: RP Graphite ... types of graphite electrodes made in Sanli Carbon: RP, PI grade, HP, and UHP.Technical Parameter:Graphite electrode is a ... such as graphitization fumaces producing carbofrax, etc. nowadays, graphite electrode has been essential part of the raw material industry ...