# United States tariff lines under HS 3911.90

> The United States tariff splits HS 3911.90 (petroleum resins, coumarone-indene resins, polyterpenes, polysulfides, polysulfones and other products specified in note 3 to this chapter, not elsewhere specified or included, in primary forms) into 8 national lines: 3911.90.10.00 (elastomeric), 3911.90.15.00 (poly(nitrilomethanetetraarylnitrilo- [2,4,6-tris-(1-methyethyl)-1,3- phenylene]]-2,6-bis(1-methylethyl)- phenyl]-ω-[[[2,6-bis(1-methylethyl)- phenyl]amino]methylene]amino carbodiimide or 2,4-diisocyanate-1,3,5-tris(1-methyl- ethyl) homopolymer with polyethylene), 3911.90.25.00 (other), 3911.90.35.00 (1,1'-Bis(methylenedi-4,1-phenylene)- 1H-pyrrole-2,5-dione, copolymer with 4,4'-methylenebis(benzeneamine); and Hydrocarbon novolac cyanate ester) and 4 others. The general (MFN) duty differs by line: free on 3911.90.10.00, free on 3911.90.15.00, 6.1% on 3911.90.25.00, free on 3911.90.35.00, 5.8% on 3911.90.45.00, free on 3911.90.70.00, 6.5% on 3911.90.91.10 and 6.5% on 3911.90.91.50.

Source: https://border.bot/countries/united-states/hs-codes/391190
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) / [3911.90](https://border.bot/countries/united-states/hs-codes/391190)

## Key facts

- HS subheading: [3911.90](https://border.bot/hs-codes/391190)
- National lines: 8
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 39: Plastics and articles thereof

## United States lines under 3911.90

The United States tariff splits HS 3911.90 (petroleum resins, coumarone-indene resins, polyterpenes, polysulfides, polysulfones and other products specified in note 3 to this chapter, not elsewhere specified or included, in primary forms) into 8 national lines: 3911.90.10.00 (elastomeric), 3911.90.15.00 (poly(nitrilomethanetetraarylnitrilo- [2,4,6-tris-(1-methyethyl)-1,3- phenylene]]-2,6-bis(1-methylethyl)- phenyl]-ω-[[[2,6-bis(1-methylethyl)- phenyl]amino]methylene]amino carbodiimide or 2,4-diisocyanate-1,3,5-tris(1-methyl- ethyl) homopolymer with polyethylene), 3911.90.25.00 (other), 3911.90.35.00 (1,1'-Bis(methylenedi-4,1-phenylene)- 1H-pyrrole-2,5-dione, copolymer with 4,4'-methylenebis(benzeneamine); and Hydrocarbon novolac cyanate ester) and 4 others.

The general (MFN) duty differs by line: free on 3911.90.10.00, free on 3911.90.15.00, 6.1% on 3911.90.25.00, free on 3911.90.35.00, 5.8% on 3911.90.45.00, free on 3911.90.70.00, 6.5% on 3911.90.91.10 and 6.5% on 3911.90.91.50.

- [3911.90.10.00](https://border.bot/countries/united-states/hs-codes/3911901000) Other, Elastomeric. Duty (MFN): free
- [3911.90.15.00](https://border.bot/countries/united-states/hs-codes/3911901500) Other, Other, Containing monomer units which are aromatic or modified aromatic, or which are obtained, derived or manufactured in whole or in part therefrom, Thermoplastic, Poly(nitrilomethanetetraarylnitrilo- [2,4,6-tris-(1-methyethyl)-1,3- phenylene]]-2,6-bis(1-methylethyl)- phenyl]-ω-[[[2,6-bis(1-methylethyl)- phenyl]amino]methylene]amino carbodiimide or 2,4-diisocyanate-1,3,5-tris(1-methyl- ethyl) homopolymer with polyethylene. Duty (MFN): free
- [3911.90.25.00](https://border.bot/countries/united-states/hs-codes/3911902500) Other, Other, Containing monomer units which are aromatic or modified aromatic, or which are obtained, derived or manufactured in whole or in part therefrom, Thermoplastic, Other. Duty (MFN): 6.1%
- [3911.90.35.00](https://border.bot/countries/united-states/hs-codes/3911903500) Other, Other, Containing monomer units which are aromatic or modified aromatic, or which are obtained, derived or manufactured in whole or in part therefrom, Thermosetting, 1,1'-Bis(methylenedi-4,1-phenylene)- 1H-pyrrole-2,5-dione, copolymer with 4,4'-methylenebis(benzeneamine); and Hydrocarbon novolac cyanate ester. Duty (MFN): free
- [3911.90.45.00](https://border.bot/countries/united-states/hs-codes/3911904500) Other, Other, Containing monomer units which are aromatic or modified aromatic, or which are obtained, derived or manufactured in whole or in part therefrom, Thermosetting, Other. Duty (MFN): 5.8%
- [3911.90.70.00](https://border.bot/countries/united-states/hs-codes/3911907000) Other, Other, Other, Chlorinated synthetic rubber. Duty (MFN): free
- [3911.90.91.10](https://border.bot/countries/united-states/hs-codes/3911909110) Other, Other, Other, Other, Thermoplastic. Duty (MFN): 6.5%
- [3911.90.91.50](https://border.bot/countries/united-states/hs-codes/3911909150) Other, Other, Other, Other, Thermosetting. Duty (MFN): 6.5%

## In other countries

No other national tariff on border.bot has live lines under 3911.90 yet.

- [The Harmonized System text for 3911.90](https://border.bot/hs-codes/391190)

- Previous subheading: [3911.20](https://border.bot/countries/united-states/hs-codes/391120) Petroleum resins, coumarone-indene resins, polyterpenes, polysulfides, polysulfones and other products specified in note 3 to this chapter, not elsewhere specified or included, in primary forms
- Next subheading: [3912.11](https://border.bot/countries/united-states/hs-codes/391211) Cellulose and its chemical derivatives, not elsewhere specified or included, in primary forms

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 3911.90?

The United States tariff splits HS 3911.90 (petroleum resins, coumarone-indene resins, polyterpenes, polysulfides, polysulfones and other products specified in note 3 to this chapter, not elsewhere specified or included, in primary forms) into 8 national lines: 3911.90.10.00 (elastomeric), 3911.90.15.00 (poly(nitrilomethanetetraarylnitrilo- [2,4,6-tris-(1-methyethyl)-1,3- phenylene]]-2,6-bis(1-methylethyl)- phenyl]-ω-[[[2,6-bis(1-methylethyl)- phenyl]amino]methylene]amino carbodiimide or 2,4-diisocyanate-1,3,5-tris(1-methyl- ethyl) homopolymer with polyethylene), 3911.90.25.00 (other), 3911.90.35.00 (1,1'-Bis(methylenedi-4,1-phenylene)- 1H-pyrrole-2,5-dione, copolymer with 4,4'-methylenebis(benzeneamine); and Hydrocarbon novolac cyanate ester) and 4 others.

### What is the duty on HS 3911.90 in the United States?

The general (MFN) duty differs by line: free on 3911.90.10.00, free on 3911.90.15.00, 6.1% on 3911.90.25.00, free on 3911.90.35.00, 5.8% on 3911.90.45.00, free on 3911.90.70.00, 6.5% on 3911.90.91.10 and 6.5% on 3911.90.91.50.

## 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/391190.json