# 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.

Source: https://staging.border.bot/hs-codes/390939
Last updated: 13 October 2026

[HS codes](https://staging.border.bot/hs-codes) / [Chapter 39](https://staging.border.bot/hs-codes/39) / [39.09](https://staging.border.bot/hs-codes/3909) / [3909.39](https://staging.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://staging.border.bot/hs-codes/3909)
- Chapter: [39: Plastics and articles thereof](https://staging.border.bot/hs-codes/39)
- Edition: HS2022
- Duty rates: [Set by each country’s tariff](https://staging.border.bot/countries)

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

No national tariff lines under 3909.39 are live on border.bot yet. Tariffs built on the Harmonized System (HS2022) use 3909.39 at six digits and add their own digits after it.

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

## Sources and updates

The Harmonized System legal text comes from border.bot release 1 (edition HS 2022), imported from a file, and has been live since 13 October 2026.

This page was last updated on 13 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://staging.border.bot/hs-codes/390939.json