# United States tariff line 3404.90.51.10: Of chemically modified lignite

> In the United States tariff, line 3404.90.51.10 covers artificial waxes and prepared waxes, of chemically modified lignite. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 3404.90 in heading 34.04 (chapter 34).

Source: https://border.bot/countries/united-states/hs-codes/3404905110
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 34](https://border.bot/countries/united-states/hs-codes/34) / [3404.90](https://border.bot/countries/united-states/hs-codes/340490) / [3404.90.51.10](https://border.bot/countries/united-states/hs-codes/3404905110)

## Key facts

- Tariff line: 3404.90.51.10
- Covers: Artificial waxes and prepared waxes, of chemically modified lignite
- Duty (MFN): Free
- Additional duties: None recorded
- Restrictions: None recorded
- Tariff: [United States](https://border.bot/countries/united-states)
- HS subheading: [3404.90](https://border.bot/hs-codes/340490)

## What this line covers

In the United States tariff, line 3404.90.51.10 covers artificial waxes and prepared waxes, of chemically modified lignite.

Its legal text is “Of chemically modified lignite”, read under “Other” and “Other”.

## How it is structured

It falls under HS subheading 3404.90 in heading 34.04 (chapter 34). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff.

- Chapter 34: Soap, organic surface-active agents, washing preparations, lubricating preparations, artificial waxes, prepared waxes, polishing or scouring preparations, candles and similar articles, modelling pastes, “dental waxes” and dental preparations with a basis of plaster
- Heading 34.04: Artificial waxes and prepared waxes
- Subheading 3404.90: Other
- Within the subheading: Other
- Line 3404.90.51.10: Of chemically modified lignite

## Duty

Goods under this line enter free of general (MFN) duty.

The rate is published on 3404.90.51.

## In other countries

No other national tariff on border.bot has live lines under 3404.90 yet.

- [The Harmonized System text for 3404.90](https://border.bot/hs-codes/340490)

## Other lines under 3404.90

- [3404.90.10.00](https://border.bot/countries/united-states/hs-codes/3404901000) Containing bleached beeswax
- [3404.90.51.50](https://border.bot/countries/united-states/hs-codes/3404905150) Other

- Previous line: [3404.90.10.00](https://border.bot/countries/united-states/hs-codes/3404901000) Containing bleached beeswax
- Next line: [3404.90.51.50](https://border.bot/countries/united-states/hs-codes/3404905150) Other

## Frequently asked questions

### What does tariff line 3404.90.51.10 cover in the United States tariff?

In the United States tariff, line 3404.90.51.10 covers artificial waxes and prepared waxes, of chemically modified lignite.

### What is the general (MFN) duty on 3404.90.51.10 in the United States?

Goods under this line enter free of general (MFN) duty. The rate is published on 3404.90.51.

## 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/3404905110.json