# United States tariff lines under HS 3905.91

> The United States tariff splits HS 3905.91 (other: Copolymers) into 2 national lines: 3905.91.10.00 (containing by weight 50 percent or more of derivatives of vinyl acetate) and 3905.91.50.00 (other). The general (MFN) duty differs by line: 4% on 3905.91.10.00 and 5.3% on 3905.91.50.00.

Source: https://border.bot/countries/united-states/hs-codes/390591
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) / [3905.91](https://border.bot/countries/united-states/hs-codes/390591)

## Key facts

- HS subheading: [3905.91](https://border.bot/hs-codes/390591)
- National lines: 2
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 39: Plastics and articles thereof

## United States lines under 3905.91

The United States tariff splits HS 3905.91 (other: Copolymers) into 2 national lines: 3905.91.10.00 (containing by weight 50 percent or more of derivatives of vinyl acetate) and 3905.91.50.00 (other).

The general (MFN) duty differs by line: 4% on 3905.91.10.00 and 5.3% on 3905.91.50.00.

- [3905.91.10.00](https://border.bot/countries/united-states/hs-codes/3905911000) Other, Copolymers, Containing by weight 50 percent or more of derivatives of vinyl acetate. Duty (MFN): 4%
- [3905.91.50.00](https://border.bot/countries/united-states/hs-codes/3905915000) Other, Copolymers, Other. Duty (MFN): 5.3%

## In other countries

No other national tariff on border.bot has live lines under 3905.91 yet.

- [The Harmonized System text for 3905.91](https://border.bot/hs-codes/390591)

- Previous subheading: [3905.30](https://border.bot/countries/united-states/hs-codes/390530) Polymers of vinyl acetate or of other vinyl esters, in primary forms; other vinyl polymers in primary forms
- Next subheading: [3905.99](https://border.bot/countries/united-states/hs-codes/390599) Other

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 3905.91?

The United States tariff splits HS 3905.91 (other: Copolymers) into 2 national lines: 3905.91.10.00 (containing by weight 50 percent or more of derivatives of vinyl acetate) and 3905.91.50.00 (other).

### What is the duty on HS 3905.91 in the United States?

The general (MFN) duty differs by line: 4% on 3905.91.10.00 and 5.3% on 3905.91.50.00.

## 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/390591.json