Key facts
- HS code
- 3603.20
- Covers
- Detonating cords
- Heading
- 36.03: Safety fuses; detonating cords; percussion or detonating caps; igniters; electric detonators
- Chapter
- 36: Explosives; pyrotechnic products; matches; pyrophoric alloys; certain combustible preparations
- Edition
- HS2022
- Duty in the United States
- See its 1 line
Summary
HS code 3603.20 covers detonating cords. It sits in heading 36.03 (safety fuses; detonating cords; percussion or detonating caps; igniters; electric detonators) in chapter 36 (explosives; pyrotechnic products; matches; pyrophoric alloys; certain combustible preparations). Other goods of heading 36.03 are classified under 3603.10 (safety fuses), 3603.30 (percussion caps), 3603.40 (detonating caps), 3603.50 (igniters) or 1 other. National tariff lines under 3603.20 are live on border.bot for the United States (1 line, also used by 1 other country).
What this code covers
HS code 3603.20 covers detonating cords.
The legal text of the subheading is “Detonating cords”, in HS2022.
How it is structured
3603.20 is a six-digit subheading. Its first two digits, 36, are the chapter; the first four, 3603, are heading 36.03; the last two, 20, identify the subheading within the heading.
Countries add their own digits after these six for their national tariff lines.
- Chapter 36
- Explosives; pyrotechnic products; matches; pyrophoric alloys; certain combustible preparations
- Heading 36.03
- Safety fuses; detonating cords; percussion or detonating caps; igniters; electric detonators
- Subheading 3603.20
- Detonating cords
In other countries
National tariff lines under 3603.20 are live on border.bot for the United States (1 line, also used by 1 other country).
- United States1 line, used by 1 other country
Frequently asked questions
What does HS code 3603.20 cover?
HS code 3603.20 covers detonating cords.
Which heading and chapter is HS code 3603.20 in?
HS code 3603.20 is in heading 36.03 (safety fuses; detonating cords; percussion or detonating caps; igniters; electric detonators) in chapter 36 (explosives; pyrotechnic products; matches; pyrophoric alloys; certain combustible preparations).
Where are goods of heading 36.03 classified when 3603.20 doesn’t fit?
Other goods of heading 36.03 are classified under 3603.10 (safety fuses), 3603.30 (percussion caps), 3603.40 (detonating caps), 3603.50 (igniters) or 1 other.
Which countries’ tariffs list national lines under HS code 3603.20?
National tariff lines under 3603.20 are live on border.bot for the United States (1 line, 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.