# HS code 3909.39: Other amino-resins

> HS code 3909.39 covers other amino-resins, other than those classified in 3909.31. It sits in heading 39.09 (amino-resins, phenolic resins and polyurethanes, in primary forms) in chapter 39 (plastics and articles thereof). Other goods of heading 39.09 are classified under 3909.10 (urea resins; thiourea resins), 3909.20 (melamine resins), 3909.31 (other amino-resins, poly(methylene phenyl isocyanate) (crude MDI, polymeric MDI)), 3909.40 (phenolic resins) or 1 other. National tariff lines under 3909.39 are live on border.bot for the United States (1 line, also used by 1 other country).

Source: https://border.bot/hs-codes/390939
Last updated: 11 October 2026

[HS codes](https://border.bot/hs-codes) / [Chapter 39](https://border.bot/hs-codes/39) / [39.09](https://border.bot/hs-codes/3909) / [3909.39](https://border.bot/hs-codes/390939)

## Key facts

- HS code: 3909.39
- Covers: Other amino-resins
- Heading: [39.09: Amino-resins, phenolic resins and polyurethanes, in primary forms](https://border.bot/hs-codes/3909)
- 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/390939)

## What this code covers

HS code 3909.39 covers other amino-resins, other than those classified in 3909.31.

The legal text of the subheading is “Other amino-resins: Other”, read under “Other amino-resins”, in HS2022.

## What it doesn’t cover

Other goods of heading 39.09 are classified under 3909.10 (urea resins; thiourea resins), 3909.20 (melamine resins), 3909.31 (other amino-resins, poly(methylene phenyl isocyanate) (crude MDI, polymeric MDI)), 3909.40 (phenolic resins) or 1 other.

- [3909.10](https://border.bot/hs-codes/390910) Urea resins; thiourea resins
- [3909.20](https://border.bot/hs-codes/390920) Melamine resins
- [3909.31](https://border.bot/hs-codes/390931) Other amino-resins: Poly(methylene phenyl isocyanate) (crude MDI, polymeric MDI)
- [3909.40](https://border.bot/hs-codes/390940) Phenolic resins
- [3909.50](https://border.bot/hs-codes/390950) Polyurethanes

## How it is structured

3909.39 is a six-digit subheading. Its first two digits, 39, are the chapter; the first four, 3909, are heading 39.09; the last two, 39, 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 39.09: Amino-resins, phenolic resins and polyurethanes, in primary forms
- Within the heading: Other amino-resins
- Subheading 3909.39: Other

## In other countries

National tariff lines under 3909.39 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/390939): 1 line, used by 1 other country

- Previous subheading: [3909.31](https://border.bot/hs-codes/390931) Other amino-resins: Poly(methylene phenyl isocyanate) (crude MDI, polymeric MDI)
- Next subheading: [3909.40](https://border.bot/hs-codes/390940) Phenolic resins

## Frequently asked questions

### What does HS code 3909.39 cover?

HS code 3909.39 covers other amino-resins, other than those classified in 3909.31.

### Which heading and chapter is HS code 3909.39 in?

HS code 3909.39 is in heading 39.09 (amino-resins, phenolic resins and polyurethanes, in primary forms) in chapter 39 (plastics and articles thereof).

### Where are goods of heading 39.09 classified when 3909.39 doesn’t fit?

Other goods of heading 39.09 are classified under 3909.10 (urea resins; thiourea resins), 3909.20 (melamine resins), 3909.31 (other amino-resins, poly(methylene phenyl isocyanate) (crude MDI, polymeric MDI)), 3909.40 (phenolic resins) or 1 other.

### Which countries’ tariffs list national lines under HS code 3909.39?

National tariff lines under 3909.39 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/390939.json