# HS code 3603.20: Detonating cords

> 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.

Source: https://staging.border.bot/hs-codes/360320
Last updated: 13 October 2026

[HS codes](https://staging.border.bot/hs-codes) / [Chapter 36](https://staging.border.bot/hs-codes/36) / [36.03](https://staging.border.bot/hs-codes/3603) / [3603.20](https://staging.border.bot/hs-codes/360320)

## Key facts

- HS code: 3603.20
- Covers: Detonating cords
- Heading: [36.03: Safety fuses; detonating cords; percussion or detonating caps; igniters; electric detonators](https://staging.border.bot/hs-codes/3603)
- Chapter: [36: Explosives; pyrotechnic products; matches; pyrophoric alloys; certain combustible preparations](https://staging.border.bot/hs-codes/36)
- Edition: HS2022
- Duty rates: [Set by each country’s tariff](https://staging.border.bot/countries)

## What this code covers

HS code 3603.20 covers detonating cords.

The legal text of the subheading is “Detonating cords”, in HS2022.

## What it doesn’t cover

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.

- [3603.10](https://staging.border.bot/hs-codes/360310) Safety fuses
- [3603.30](https://staging.border.bot/hs-codes/360330) Percussion caps
- [3603.40](https://staging.border.bot/hs-codes/360340) Detonating caps
- [3603.50](https://staging.border.bot/hs-codes/360350) Igniters
- [3603.60](https://staging.border.bot/hs-codes/360360) Electric detonators

## 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

No national tariff lines under 3603.20 are live on border.bot yet. Tariffs built on the Harmonized System (HS2022) use 3603.20 at six digits and add their own digits after it.

- Previous subheading: [3603.10](https://staging.border.bot/hs-codes/360310) Safety fuses
- Next subheading: [3603.30](https://staging.border.bot/hs-codes/360330) Percussion caps

## 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.

## Sources and updates

The Harmonized System legal text comes from border.bot release 1 (edition HS 2022), imported from a file, and has been live since 13 October 2026.

This page was last updated on 13 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.

Machine-readable: https://staging.border.bot/hs-codes/360320.json
