Harmonized System
Section XV > Chapter 74 > Heading 7409 > 7409.3
Of copper-tin base alloys (bronze)
Section XV > Chapter 74 > Heading 7409 > 7409.40
Of copper-nickel base alloys (cupro-nickel) or copper-nickel-zinc base alloys (nickel silver)
Section XV > Chapter 74 > Heading 7409 > 7409.90
Of other copper alloys
Section XV > Chapter 74 > Heading 7410
Copper foil (whether or not printed or backed with paper, paperboard, plastics or similar backing materials) of a thickness (excluding any backing) not exceeding 0.15 mm.