Section 06 Products of the chemical or allied 28 Inorganic chemicals; organic or inorganic compounds of precious metals, of rare earth metals, of radioactive elements or isotopes 28 03 Carbon (carbon blacks and other forms of carbon, nes) 28 03 00 Of a kind used for rubber processing 28 03 00 41 Of a kind used for rubber processing Commodity Code Description 28 03 00 41 00 Of a kind used for rubber processing
