# United States tariff lines under HS 3606.90

> The United States tariff splits HS 3606.90 (ferrocerium and other pyrophoric alloys in all forms; articles of combustible materials as specified in note 2 to this chapter) into 3 national lines: 3606.90.30.00 (ferrocerium and other pyrophoric alloys), 3606.90.40.00 (metaldehyde) and 3606.90.80.00 (other). The general (MFN) duty differs by line: 5.9% on 3606.90.30.00, free on 3606.90.40.00 and 5% on 3606.90.80.00.

Source: https://border.bot/countries/united-states/hs-codes/360690
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 36](https://border.bot/countries/united-states/hs-codes/36) / [3606.90](https://border.bot/countries/united-states/hs-codes/360690)

## Key facts

- HS subheading: [3606.90](https://border.bot/hs-codes/360690)
- National lines: 3
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 36: Explosives; pyrotechnic products; matches; pyrophoric alloys; certain combustible preparations

## United States lines under 3606.90

The United States tariff splits HS 3606.90 (ferrocerium and other pyrophoric alloys in all forms; articles of combustible materials as specified in note 2 to this chapter) into 3 national lines: 3606.90.30.00 (ferrocerium and other pyrophoric alloys), 3606.90.40.00 (metaldehyde) and 3606.90.80.00 (other).

The general (MFN) duty differs by line: 5.9% on 3606.90.30.00, free on 3606.90.40.00 and 5% on 3606.90.80.00.

- [3606.90.30.00](https://border.bot/countries/united-states/hs-codes/3606903000) Other, Ferrocerium and other pyrophoric alloys. Duty (MFN): 5.9%
- [3606.90.40.00](https://border.bot/countries/united-states/hs-codes/3606904000) Other, Metaldehyde. Duty (MFN): free
- [3606.90.80.00](https://border.bot/countries/united-states/hs-codes/3606908000) Other, Other. Duty (MFN): 5%

## In other countries

No other national tariff on border.bot has live lines under 3606.90 yet.

- [The Harmonized System text for 3606.90](https://border.bot/hs-codes/360690)

- Previous subheading: [3606.10](https://border.bot/countries/united-states/hs-codes/360610) Ferrocerium and other pyrophoric alloys in all forms; articles of combustible materials as specified in note 2 to this chapter
- Next subheading: [3701.10](https://border.bot/countries/united-states/hs-codes/370110) Photographic plates and film in the flat, sensitized, unexposed, of any material other than paper, paperboard or textiles; instant print film in the flat, sensitized, unexposed, whether or not in packs

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 3606.90?

The United States tariff splits HS 3606.90 (ferrocerium and other pyrophoric alloys in all forms; articles of combustible materials as specified in note 2 to this chapter) into 3 national lines: 3606.90.30.00 (ferrocerium and other pyrophoric alloys), 3606.90.40.00 (metaldehyde) and 3606.90.80.00 (other).

### What is the duty on HS 3606.90 in the United States?

The general (MFN) duty differs by line: 5.9% on 3606.90.30.00, free on 3606.90.40.00 and 5% on 3606.90.80.00.

## Sources and updates

The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

This page was last updated on 9 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.

Official source files:

- https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false

Machine-readable: https://border.bot/countries/united-states/hs-codes/360690.json