# United States tariff line 3104.20.00.10: Containing not more than 62 percent by weight of potassium oxide (K2O)

> In the United States tariff, line 3104.20.00.10 covers potassium chloride, containing not more than 62 percent by weight of potassium oxide (K2O). Goods under this line enter free of general (MFN) duty. It falls under HS subheading 3104.20 in heading 31.04 (chapter 31).

Source: https://border.bot/countries/united-states/hs-codes/3104200010
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 31](https://border.bot/countries/united-states/hs-codes/31) / [3104.20](https://border.bot/countries/united-states/hs-codes/310420) / [3104.20.00.10](https://border.bot/countries/united-states/hs-codes/3104200010)

## Key facts

- Tariff line: 3104.20.00.10
- Covers: Potassium chloride, containing not more than 62 percent by weight of potassium oxide (K2O)
- Duty (MFN): Free
- Additional duties: None recorded
- Restrictions: None recorded
- Tariff: [United States](https://border.bot/countries/united-states)
- HS subheading: [3104.20](https://border.bot/hs-codes/310420)

## What this line covers

In the United States tariff, line 3104.20.00.10 covers potassium chloride, containing not more than 62 percent by weight of potassium oxide (K2O).

Its legal text is “Containing not more than 62 percent by weight of potassium oxide (K2O)”, read under “Potassium chloride”.

## How it is structured

It falls under HS subheading 3104.20 in heading 31.04 (chapter 31). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff.

- Chapter 31: Fertilisers
- Heading 31.04: Mineral or chemical fertilizers, potassic
- Subheading 3104.20: Potassium chloride
- Line 3104.20.00.10: Containing not more than 62 percent by weight of potassium oxide (K2O)

## Duty

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

The rate is published on 3104.20.00.

## In other countries

No other national tariff on border.bot has live lines under 3104.20 yet.

- [The Harmonized System text for 3104.20](https://border.bot/hs-codes/310420)

## Other lines under 3104.20

- [3104.20.00.50](https://border.bot/countries/united-states/hs-codes/3104200050) Containing more than 62 percent by weight of potassium oxide (K2O)

- Previous line: [3103.90.01.00](https://border.bot/countries/united-states/hs-codes/3103900100) Other
- Next line: [3104.20.00.50](https://border.bot/countries/united-states/hs-codes/3104200050) Containing more than 62 percent by weight of potassium oxide (K2O)

## Frequently asked questions

### What does tariff line 3104.20.00.10 cover in the United States tariff?

In the United States tariff, line 3104.20.00.10 covers potassium chloride, containing not more than 62 percent by weight of potassium oxide (K2O).

### What is the general (MFN) duty on 3104.20.00.10 in the United States?

Goods under this line enter free of general (MFN) duty. The rate is published on 3104.20.00.

## 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/3104200010.json