Heading 8545
Carbon electrodes, carbon brushes, lamp carbons, battery carbons and other articles of graphite or other carbon; with or without metal, of a kind used for electrical purposes
854511
Carbon electrodes; with or without metal, of a kind used for furnaces
854519
Carbon electrodes; with or without metal, of a kind used for other than furnaces
854520
Carbon brushes; with or without metal, used for electrical purposes
854590
Carbon; lamp carbons, battery carbons and other articles of graphite or other carbon, with or without metal, of a kind used for electrical purposes