Section 15 Base metals and articles of base metal 81 Other base metals; cements; articles thereof 81 06 Bismuth and articles thereof, including waste and scrap. 81 06 10 Containing more than 99.99% of bismuth, by weight : Commodity Code Description 81 06 10 00 Containing more than 99.99% of bismuth, by weight : 81 06 10 10 Unwrought bismuth; waste and scrap; powders 81 06 10 90 Other