# United States tariff lines under HS 3809.10

> The United States tariff splits HS 3809.10 (finishing agents, dye carriers to accelerate the dyeing or fixing of dyestuffs and other products and preparations (for example, dressings and mordants), of a kind used in the textile, paper, leather or like industries, not elsewhere specified or included, with a basis of amylaceous substances) into 1 national line: 3809.10.00.00 (with a basis of amylaceous substances). The general (MFN) duty is 2.2¢/kg + 3% on this line.

Source: https://border.bot/countries/united-states/hs-codes/380910
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 38](https://border.bot/countries/united-states/hs-codes/38) / [3809.10](https://border.bot/countries/united-states/hs-codes/380910)

## Key facts

- HS subheading: [3809.10](https://border.bot/hs-codes/380910)
- Duty (MFN): 2.2¢/kg + 3%
- National lines: 1
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 38: Miscellaneous chemical products

## United States lines under 3809.10

The United States tariff splits HS 3809.10 (finishing agents, dye carriers to accelerate the dyeing or fixing of dyestuffs and other products and preparations (for example, dressings and mordants), of a kind used in the textile, paper, leather or like industries, not elsewhere specified or included, with a basis of amylaceous substances) into 1 national line: 3809.10.00.00 (with a basis of amylaceous substances).

The general (MFN) duty is 2.2¢/kg + 3% on this line.

- [3809.10.00.00](https://border.bot/countries/united-states/hs-codes/3809100000) With a basis of amylaceous substances. Duty (MFN): 2.2¢/kg + 3%

## In other countries

No other national tariff on border.bot has live lines under 3809.10 yet.

- [The Harmonized System text for 3809.10](https://border.bot/hs-codes/380910)

- Previous subheading: [3808.99](https://border.bot/countries/united-states/hs-codes/380899) Other
- Next subheading: [3809.91](https://border.bot/countries/united-states/hs-codes/380991) Finishing agents, dye carriers to accelerate the dyeing or fixing of dyestuffs and other products and preparations (for example, dressings and mordants), of a kind used in the textile, paper, leather or like industries, not elsewhere specified or included

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 3809.10?

The United States tariff splits HS 3809.10 (finishing agents, dye carriers to accelerate the dyeing or fixing of dyestuffs and other products and preparations (for example, dressings and mordants), of a kind used in the textile, paper, leather or like industries, not elsewhere specified or included, with a basis of amylaceous substances) into 1 national line: 3809.10.00.00 (with a basis of amylaceous substances).

### What is the duty on HS 3809.10 in the United States?

The general (MFN) duty is 2.2¢/kg + 3% on this line.

## 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/380910.json