# HTS 3911: 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:

> Plain-language tariff reference from the USITC Harmonized Tariff Schedule on [PlainTariff](https://plaintariff.com/).

## Duty rates

- **General (MFN) rate:** Free

## Classification path

- **Section VII:** [Plastics and Rubber](https://plaintariff.com/section/vii-plastics-and-rubber)
- **Chapter 39:** [Plastics and articles thereof](https://plaintariff.com/chapter/chapter-39-plastics-and-articles-thereof)
- **HTS code:** 3911

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- [Tariff calculator](https://plaintariff.com/tools/tariff-calculator)
- [Search HTS codes](https://plaintariff.com/search)
- [Methodology & sources](https://plaintariff.com/methodology)

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*Source: U.S. International Trade Commission Harmonized Tariff Schedule. HTML canonical: https://plaintariff.com/heading/3911-petroleum-resins-coumarone-indene-resins-polyterpenes-pol*