# HS code 3820.00: Anti-freezing preparations and prepared de-icing fluids

> HS code 3820.00 covers anti-freezing preparations and prepared de-icing fluids. It sits in heading 38.20 (anti-freezing preparations and prepared de-icing fluids) in chapter 38 (miscellaneous chemical products). It is the only subheading of heading 38.20, so every good of the heading is classified here. National tariff lines under 3820.00 are live on border.bot for the United States (1 line, also used by 1 other country).

Source: https://border.bot/hs-codes/382000
Last updated: 11 October 2026

[HS codes](https://border.bot/hs-codes) / [Chapter 38](https://border.bot/hs-codes/38) / [38.20](https://border.bot/hs-codes/3820) / [3820.00](https://border.bot/hs-codes/382000)

## Key facts

- HS code: 3820.00
- Covers: Anti-freezing preparations and prepared de-icing fluids
- Heading: [38.20: Anti-freezing preparations and prepared de-icing fluids](https://border.bot/hs-codes/3820)
- Chapter: [38: Miscellaneous chemical products](https://border.bot/hs-codes/38)
- Edition: HS2022
- Duty in the United States: [See its 1 line](https://border.bot/countries/united-states/hs-codes/382000)

## What this code covers

HS code 3820.00 covers anti-freezing preparations and prepared de-icing fluids.

The legal text of the subheading is “Anti-freezing preparations and prepared de-icing fluids”, in HS2022.

## What it doesn’t cover

It is the only subheading of heading 38.20, so every good of the heading is classified here.

## How it is structured

3820.00 is a six-digit subheading. Its first two digits, 38, are the chapter; the first four, 3820, are heading 38.20; the last two, 00, identify the subheading within the heading.

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

- Chapter 38: Miscellaneous chemical products
- Heading 38.20: Anti-freezing preparations and prepared de-icing fluids
- Subheading 3820.00: Anti-freezing preparations and prepared de-icing fluids

## In other countries

National tariff lines under 3820.00 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/382000): 1 line, used by 1 other country

- Previous subheading: [3819.00](https://border.bot/hs-codes/381900) Hydraulic brake fluids and other prepared liquids for hydraulic transmission, not containing or containing less than 70 % by weight of petroleum oils or oils obtained from bituminous minerals
- Next subheading: [3821.00](https://border.bot/hs-codes/382100) Prepared culture media for the development or maintenance of micro-organisms (including viruses and the like) or of plant, human or animal cells

## Frequently asked questions

### What does HS code 3820.00 cover?

HS code 3820.00 covers anti-freezing preparations and prepared de-icing fluids.

### Which heading and chapter is HS code 3820.00 in?

HS code 3820.00 is in heading 38.20 (anti-freezing preparations and prepared de-icing fluids) in chapter 38 (miscellaneous chemical products).

### Where are goods of heading 38.20 classified when 3820.00 doesn’t fit?

3820.00 is the only subheading of heading 38.20, so every good of the heading is classified there.

### Which countries’ tariffs list national lines under HS code 3820.00?

National tariff lines under 3820.00 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/382000.json