# HS code 3911.10: Petroleum resins, coumarone, indene or coumarone-indene resins and polyterpenes

> HS code 3911.10 covers petroleum resins, coumarone, indene or coumarone-indene resins and polyterpenes. It sits in heading 39.11 (petroleum resins, coumarone-indene resins, polyterpenes, polysulphides, polysulphones and other products specified in note 3 to this chapter, not elsewhere specified or included, in primary forms) in chapter 39 (plastics and articles thereof). Other goods of heading 39.11 are classified under 3911.20 (poly(1,3-phenylene methylphosphonate)) or 3911.90 (other). National tariff lines under 3911.10 are live on border.bot for the United States (1 line, also used by 1 other country).

Source: https://border.bot/hs-codes/391110
Last updated: 11 October 2026

[HS codes](https://border.bot/hs-codes) / [Chapter 39](https://border.bot/hs-codes/39) / [39.11](https://border.bot/hs-codes/3911) / [3911.10](https://border.bot/hs-codes/391110)

## Key facts

- HS code: 3911.10
- Covers: Petroleum resins, coumarone, indene or coumarone-indene resins and polyterpenes
- Heading: [39.11: Petroleum resins, coumarone-indene resins, polyterpenes, polysulphides, polysulphones and other products specified in note 3 to this chapter, not elsewhere specified or included, in primary forms](https://border.bot/hs-codes/3911)
- Chapter: [39: Plastics and articles thereof](https://border.bot/hs-codes/39)
- Edition: HS2022
- Duty in the United States: [See its 1 line](https://border.bot/countries/united-states/hs-codes/391110)

## What this code covers

HS code 3911.10 covers petroleum resins, coumarone, indene or coumarone-indene resins and polyterpenes.

The legal text of the subheading is “Petroleum resins, coumarone, indene or coumarone-indene resins and polyterpenes”, in HS2022.

## What it doesn’t cover

Other goods of heading 39.11 are classified under 3911.20 (poly(1,3-phenylene methylphosphonate)) or 3911.90 (other).

- [3911.20](https://border.bot/hs-codes/391120) Poly(1,3-phenylene methylphosphonate)
- [3911.90](https://border.bot/hs-codes/391190) Other

## How it is structured

3911.10 is a six-digit subheading. Its first two digits, 39, are the chapter; the first four, 3911, are heading 39.11; the last two, 10, identify the subheading within the heading.

Countries add their own digits after these six for their national tariff lines.

- Chapter 39: Plastics and articles thereof
- Heading 39.11: Petroleum resins, coumarone-indene resins, polyterpenes, polysulphides, polysulphones and other products specified in note 3 to this chapter, not elsewhere specified or included, in primary forms
- Subheading 3911.10: Petroleum resins, coumarone, indene or coumarone-indene resins and polyterpenes

## In other countries

National tariff lines under 3911.10 are live on border.bot for the United States (1 line, also used by 1 other country).

- [United States](https://border.bot/countries/united-states/hs-codes/391110): 1 line, used by 1 other country

- Previous subheading: [3910.00](https://border.bot/hs-codes/391000) Silicones in primary forms
- Next subheading: [3911.20](https://border.bot/hs-codes/391120) Poly(1,3-phenylene methylphosphonate)

## Frequently asked questions

### What does HS code 3911.10 cover?

HS code 3911.10 covers petroleum resins, coumarone, indene or coumarone-indene resins and polyterpenes.

### Which heading and chapter is HS code 3911.10 in?

HS code 3911.10 is in heading 39.11 (petroleum resins, coumarone-indene resins, polyterpenes, polysulphides, polysulphones and other products specified in note 3 to this chapter, not elsewhere specified or included, in primary forms) in chapter 39 (plastics and articles thereof).

### Where are goods of heading 39.11 classified when 3911.10 doesn’t fit?

Other goods of heading 39.11 are classified under 3911.20 (poly(1,3-phenylene methylphosphonate)) or 3911.90 (other).

### Which countries’ tariffs list national lines under HS code 3911.10?

National tariff lines under 3911.10 are live on border.bot for the United States (1 line, also used by 1 other country).

## Sources and updates

The Harmonized System legal text comes from border.bot release 2 (edition HS 2022), imported from a file, and has been live since 11 October 2026.

This page was last updated on 11 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.

Machine-readable: https://border.bot/hs-codes/391110.json