s and other forms of carbon not elsewhere specified or included).: carbon (carbon blacks and other forms of carbon not elsewhere specified or included): imported by the US in 2011-04 $25,553,783.00 of HTS Code 2803.00.00 ??? inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals,of radioactive elements or of isotopes: carbon (carbon blacks and other forms of c