# HS code 2507.00: Kaolin and other kaolinic clays, whether or not calcined

> HS code 2507.00 covers kaolin and other kaolinic clays, whether or not calcined. It sits in heading 25.07 (kaolin and other kaolinic clays, whether or not calcined) in chapter 25 (salt; sulphur; earths and stone; plastering materials, lime and cement). It is the only subheading of heading 25.07, so every good of the heading is classified here. National tariff lines under 2507.00 are live on border.bot for the United States (1 line, also used by 1 other country).

Source: https://border.bot/hs-codes/250700
Last updated: 11 October 2026

[HS codes](https://border.bot/hs-codes) / [Chapter 25](https://border.bot/hs-codes/25) / [25.07](https://border.bot/hs-codes/2507) / [2507.00](https://border.bot/hs-codes/250700)

## Key facts

- HS code: 2507.00
- Covers: Kaolin and other kaolinic clays, whether or not calcined
- Heading: [25.07: Kaolin and other kaolinic clays, whether or not calcined](https://border.bot/hs-codes/2507)
- Chapter: [25: Salt; sulphur; earths and stone; plastering materials, lime and cement](https://border.bot/hs-codes/25)
- Edition: HS2022
- Duty in the United States: [See its 1 line](https://border.bot/countries/united-states/hs-codes/250700)

## What this code covers

HS code 2507.00 covers kaolin and other kaolinic clays, whether or not calcined.

The legal text of the subheading is “Kaolin and other kaolinic clays, whether or not calcined”, in HS2022.

## What it doesn’t cover

It is the only subheading of heading 25.07, so every good of the heading is classified here.

## How it is structured

2507.00 is a six-digit subheading. Its first two digits, 25, are the chapter; the first four, 2507, are heading 25.07; the last two, 00, identify the subheading within the heading.

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

- Chapter 25: Salt; sulphur; earths and stone; plastering materials, lime and cement
- Heading 25.07: Kaolin and other kaolinic clays, whether or not calcined
- Subheading 2507.00: Kaolin and other kaolinic clays, whether or not calcined

## In other countries

National tariff lines under 2507.00 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/250700): 1 line, used by 1 other country

- Previous subheading: [2506.20](https://border.bot/hs-codes/250620) Quartzite
- Next subheading: [2508.10](https://border.bot/hs-codes/250810) Bentonite

## Frequently asked questions

### What does HS code 2507.00 cover?

HS code 2507.00 covers kaolin and other kaolinic clays, whether or not calcined.

### Which heading and chapter is HS code 2507.00 in?

HS code 2507.00 is in heading 25.07 (kaolin and other kaolinic clays, whether or not calcined) in chapter 25 (salt; sulphur; earths and stone; plastering materials, lime and cement).

### Where are goods of heading 25.07 classified when 2507.00 doesn’t fit?

2507.00 is the only subheading of heading 25.07, so every good of the heading is classified there.

### Which countries’ tariffs list national lines under HS code 2507.00?

National tariff lines under 2507.00 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/250700.json