Graphitiferous cathode carbon block for aluminium electrolysis is made of graphiteparticle as main raw material and pitch as binder by extrusion,baking and machining processes.
Graphitized cathode carbon block for aluminium electrolysis is made of petroleum coke as raw material and pitch as binder by extrusion,baking,impregnation,rebaking graphitization and machining processes,mainly used in large aluminum electrolytic cell with electricity saving and long service life.