# United States tariff line 3913.90.10.00: Chemical derivatives of natural rubber

> In the United States tariff, line 3913.90.10.00 covers chemical derivatives of natural rubber. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 3913.90 in heading 39.13 (chapter 39).

Source: https://border.bot/countries/united-states/hs-codes/3913901000
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 39](https://border.bot/countries/united-states/hs-codes/39) / [3913.90](https://border.bot/countries/united-states/hs-codes/391390) / [3913.90.10.00](https://border.bot/countries/united-states/hs-codes/3913901000)

## Key facts

- Tariff line: 3913.90.10.00
- Covers: Chemical derivatives of natural rubber
- Duty (MFN): Free
- Additional duties: None recorded
- Restrictions: None recorded
- Tariff: [United States](https://border.bot/countries/united-states)
- HS subheading: [3913.90](https://border.bot/hs-codes/391390)

## What this line covers

In the United States tariff, line 3913.90.10.00 covers chemical derivatives of natural rubber.

Its legal text is “Chemical derivatives of natural rubber”, read under “Other”.

## How it is structured

It falls under HS subheading 3913.90 in heading 39.13 (chapter 39). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff.

- Chapter 39: Plastics and articles thereof
- Heading 39.13: Natural polymers (for example, alginic acid) and modified natural polymers (for example, hardened proteins, chemical derivatives of natural rubber), not elsewhere specified or included, in primary forms
- Subheading 3913.90: Other
- Line 3913.90.10.00: Chemical derivatives of natural rubber

## Duty

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

## In other countries

No other national tariff on border.bot has live lines under 3913.90 yet.

- [The Harmonized System text for 3913.90](https://border.bot/hs-codes/391390)

## Other lines under 3913.90

- [3913.90.20.15](https://border.bot/countries/united-states/hs-codes/3913902015) Xanthan gum
- [3913.90.20.90](https://border.bot/countries/united-states/hs-codes/3913902090) Other
- [3913.90.50.00](https://border.bot/countries/united-states/hs-codes/3913905000) Other

- Previous line: [3913.10.00.00](https://border.bot/countries/united-states/hs-codes/3913100000) Alginic acid, its salts and esters
- Next line: [3913.90.20.15](https://border.bot/countries/united-states/hs-codes/3913902015) Xanthan gum

## Frequently asked questions

### What does tariff line 3913.90.10.00 cover in the United States tariff?

In the United States tariff, line 3913.90.10.00 covers chemical derivatives of natural rubber.

### What is the general (MFN) duty on 3913.90.10.00 in the United States?

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

## 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/3913901000.json