... long terms. The main products are RP graphite electrode and impregnating electrode.The specification of impregnating electrode are as follow:electric resistance : 5.0 ... .3-0.5, elastic modulus : 8.0-12.0, CET : 2.2-2.7. The specification of RP electrode are as follow: electric ... ,density : 1.55-1.58, Ash content :0.5, elastic modulus : 9.3, CET : 2.9. RP & HP Graphite electrode