Key facts
- HS code
- 2508.70
- Covers
- Chamotte or dinas earths
- Edition
- HS2022
- Duty rates
- Set by each country’s tariff
Summary
HS code 2508.70 covers chamotte or dinas earths. It sits in heading 25.08 (other clays (not including expanded clays of heading 68.06), andalusite, kyanite and sillimanite, whether or not calcined; mullite; chamotte or dinas earths) in chapter 25 (salt; sulphur; earths and stone; plastering materials, lime and cement). Other goods of heading 25.08 are classified under 2508.10 (bentonite), 2508.30 (fire-clay), 2508.40 (other clays), 2508.50 (andalusite, kyanite or sillimanite) and 1 other.
What this code covers
HS code 2508.70 covers chamotte or dinas earths.
The legal text of the subheading is “Chamotte or dinas earths”, in HS2022.
How it is structured
2508.70 is a six-digit subheading. Its first two digits, 25, are the chapter; the first four, 2508, are heading 25.08; the last two, 70, identify the subheading within the heading.
Countries add their own digits after these six for their national tariff lines.
- Subheading 2508.70
- Chamotte or dinas earths
In other countries
No national tariff lines under 2508.70 are live on border.bot yet. Tariffs built on the Harmonized System (HS2022) use 2508.70 at six digits and add their own digits after it.
Frequently asked questions
What does HS code 2508.70 cover?
HS code 2508.70 covers chamotte or dinas earths.
Which heading and chapter is HS code 2508.70 in?
HS code 2508.70 is in heading 25.08 (other clays (not including expanded clays of heading 68.06), andalusite, kyanite and sillimanite, whether or not calcined; mullite; chamotte or dinas earths) in chapter 25 (salt; sulphur; earths and stone; plastering materials, lime and cement).
Where are goods of heading 25.08 classified when 2508.70 doesn’t fit?
Other goods of heading 25.08 are classified under 2508.10 (bentonite), 2508.30 (fire-clay), 2508.40 (other clays), 2508.50 (andalusite, kyanite or sillimanite) and 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.