... carbon block We can supply as follow:1) Partial graphite carbon block (for production of Al)2) Cathodal ... block5) High heat conduction carbon block Description:1 Content of graphite: 30%, 50% or 75%a) Bottom carbon block: ... heat exchangers for chemical industries, electrodes and linings in some industrial furnaces (carborundum furnace, graphite furnace, metallurgical furnace, resistance furnace), ...