# HS code 3603.10: Safety fuses

> HS code 3603.10 covers safety fuses. 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 3603.20 (detonating cords), 3603.30 (percussion caps), 3603.40 (detonating caps), 3603.50 (igniters) or 1 other. National tariff lines under 3603.10 are live on border.bot for the United States (1 line, also used by 1 other country).

Source: https://border.bot/hs-codes/360310
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) / [3603.10](https://border.bot/hs-codes/360310)

## Key facts

- HS code: 3603.10
- Covers: Safety fuses
- Heading: [36.03: Safety fuses; detonating cords; percussion or detonating caps; igniters; electric detonators](https://border.bot/hs-codes/3603)
- Chapter: [36: Explosives; pyrotechnic products; matches; pyrophoric alloys; certain combustible preparations](https://border.bot/hs-codes/36)
- Edition: HS2022
- Duty in the United States: [See its 1 line](https://border.bot/countries/united-states/hs-codes/360310)

## What this code covers

HS code 3603.10 covers safety fuses.

The legal text of the subheading is “Safety fuses”, in HS2022.

## What it doesn’t cover

Other goods of heading 36.03 are classified under 3603.20 (detonating cords), 3603.30 (percussion caps), 3603.40 (detonating caps), 3603.50 (igniters) or 1 other.

- [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

## How it is structured

3603.10 is a six-digit subheading. Its first two digits, 36, are the chapter; the first four, 3603, are heading 36.03; the last two, 10, 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 3603.10: Safety fuses

## In other countries

National tariff lines under 3603.10 are live on border.bot for the United States (1 line, also used by 1 other country).

- [United States](https://border.bot/countries/united-states/hs-codes/360310): 1 line, used by 1 other country

- Previous subheading: [3602.00](https://border.bot/hs-codes/360200) Prepared explosives, other than propellent powders
- Next subheading: [3603.20](https://border.bot/hs-codes/360320) Detonating cords

## Frequently asked questions

### What does HS code 3603.10 cover?

HS code 3603.10 covers safety fuses.

### Which heading and chapter is HS code 3603.10 in?

HS code 3603.10 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 3603.10 doesn’t fit?

Other goods of heading 36.03 are classified under 3603.20 (detonating cords), 3603.30 (percussion caps), 3603.40 (detonating caps), 3603.50 (igniters) or 1 other.

### Which countries’ tariffs list national lines under HS code 3603.10?

National tariff lines under 3603.10 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.

Machine-readable: https://border.bot/hs-codes/360310.json