HS heading 79.03: Zinc dust, powders and flakes
Last updated
Key facts
- Heading
- 79.03
- Description
- Zinc dust, powders and flakes
- Chapter
- 79: Zinc and articles thereof
- Subheadings
- 2
- Edition
- HS2022
Summary
HS heading 79.03 covers zinc dust, powders and flakes. It is in chapter 79 (zinc and articles thereof). It is split into 2 subheadings: 7903.10 (zinc dust) and 7903.90 (other). National tariff lines under heading 79.03 are live on border.bot for the United States (3 lines, also used by 1 other country).
How it is structured
Heading 79.03 is one of 6 headings in chapter 79. Its first two digits, 79, are the chapter; the next two, 03, number the heading within it. Its subheadings add two more digits (7903.10, 7903.90).
In other countries
National tariff lines under heading 79.03 are live on border.bot for the United States (3 lines, also used by 1 other country).
- United States3 lines, used by 1 other country
Frequently asked questions
What does HS heading 79.03 cover?
HS heading 79.03 covers zinc dust, powders and flakes.
Which chapter is HS heading 79.03 in?
HS heading 79.03 is in chapter 79 (zinc and articles thereof).
How many subheadings does HS heading 79.03 have?
HS heading 79.03 has 2 subheadings: 7903.10 (zinc dust) and 7903.90 (other).
Which countries’ tariffs list national lines under HS heading 79.03?
National tariff lines under heading 79.03 are live on border.bot for the United States (3 lines, also used by 1 other country).
Sources and updates
The Harmonized System legal text comes from border.bot release 2 (edition HS 2022), imported from a file, and has been live since 11 October 2026.
This page was last updated on 11 October 2026.
Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.