Section 15 Base metals and articles of base metal 79 Zinc and articles thereof 79 01 Unwrought zinc 79 01 12 Containing by weight less than 99.99% of zinc 79 01 12 00 Containing by weight less than 99.99% of zinc Commodity Code Description 79 01 12 00 000 Containing by weight less than 99.99% of zinc