# HS heading 36.03: Safety fuses; detonating cords; percussion or detonating caps; igniters; electric detonators

> HS heading 36.03 covers safety fuses; detonating cords; percussion or detonating caps; igniters; electric detonators. It is in chapter 36 (explosives; pyrotechnic products; matches; pyrophoric alloys; certain combustible preparations). It is split into 6 subheadings: 3603.10 (safety fuses), 3603.20 (detonating cords), 3603.30 (percussion caps), 3603.40 (detonating caps), 3603.50 (igniters) and 3603.60 (electric detonators). National tariff lines under heading 36.03 are live on border.bot for the United States (6 lines, also used by 1 other country).

Source: https://border.bot/hs-codes/3603
Last updated: 11 October 2026

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

## Key facts

- Heading: 36.03
- Description: Safety fuses; detonating cords; percussion or detonating caps; igniters; electric detonators
- Chapter: 36: Explosives; pyrotechnic products; matches; pyrophoric alloys; certain combustible preparations
- Subheadings: 6
- Edition: HS2022

## What this code covers

HS heading 36.03 covers safety fuses; detonating cords; percussion or detonating caps; igniters; electric detonators.

It is split into 6 subheadings: 3603.10 (safety fuses), 3603.20 (detonating cords), 3603.30 (percussion caps), 3603.40 (detonating caps), 3603.50 (igniters) and 3603.60 (electric detonators).

- [3603.10](https://border.bot/hs-codes/360310) Safety fuses
- [3603.20](https://border.bot/hs-codes/360320) Detonating cords
- [3603.30](https://border.bot/hs-codes/360330) Percussion caps
- [3603.40](https://border.bot/hs-codes/360340) Detonating caps
- [3603.50](https://border.bot/hs-codes/360350) Igniters
- [3603.60](https://border.bot/hs-codes/360360) Electric detonators

## What it doesn’t cover

Other goods of chapter 36 are classified in its other 5 headings, listed below.

- [36.01](https://border.bot/hs-codes/3601) Propellent powders
- [36.02](https://border.bot/hs-codes/3602) Prepared explosives, other than propellent powders
- [36.04](https://border.bot/hs-codes/3604) Fireworks, signalling flares, rain rockets, fog signals and other pyrotechnic articles
- [36.05](https://border.bot/hs-codes/3605) Matches, other than pyrotechnic articles of heading 36.04
- [36.06](https://border.bot/hs-codes/3606) Ferro-cerium and other pyrophoric alloys in all forms; articles of combustible materials as specified in Note 2 to this Chapter

## How it is structured

Heading 36.03 is one of 6 headings in chapter 36. Its first two digits, 36, are the chapter; the next two, 03, number the heading within it. Its subheadings add two more digits (3603.10, 3603.20, 3603.30).

## In other countries

National tariff lines under heading 36.03 are live on border.bot for the United States (6 lines, also used by 1 other country).

- [United States](https://border.bot/countries/united-states/hs-codes/36): 6 lines, used by 1 other country

- Previous heading: [36.02](https://border.bot/hs-codes/3602) Prepared explosives, other than propellent powders
- Next heading: [36.04](https://border.bot/hs-codes/3604) Fireworks, signalling flares, rain rockets, fog signals and other pyrotechnic articles

## Frequently asked questions

### What does HS heading 36.03 cover?

HS heading 36.03 covers safety fuses; detonating cords; percussion or detonating caps; igniters; electric detonators.

### Which chapter is HS heading 36.03 in?

HS heading 36.03 is in chapter 36 (explosives; pyrotechnic products; matches; pyrophoric alloys; certain combustible preparations).

### How many subheadings does HS heading 36.03 have?

HS heading 36.03 has 6 subheadings: 3603.10 (safety fuses), 3603.20 (detonating cords), 3603.30 (percussion caps), 3603.40 (detonating caps), 3603.50 (igniters) and 3603.60 (electric detonators).

### Which countries’ tariffs list national lines under HS heading 36.03?

National tariff lines under heading 36.03 are live on border.bot for the United States (6 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.

Machine-readable: https://border.bot/hs-codes/3603.json