1-graphite electrode (RP) 2-dia: 50-500mm 3-Ash content: less than 0.5 4-wooden case packing 5-office near to xingang port Graphite electrode (RP)Main material is calcined coke and coal tar pitch as binders , via burdening, mixing, extruding, baking, (dipping), graphitizing, and machining to form. This product have the advantage of low specific resistance, high electric and thermal conductivity, ...