HS code 2518.10: Dolomite, not calcined or sintered
Last updated
Key facts
- HS code
- 2518.10
- Covers
- Dolomite, not calcined or sintered
- Edition
- HS2022
- Duty in the United States
- See its 1 line
Summary
HS code 2518.10 covers dolomite, not calcined or sintered. It sits in heading 25.18 (dolomite, whether or not calcined or sintered, including dolomite roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape) in chapter 25 (salt; sulphur; earths and stone; plastering materials, lime and cement). Other goods of heading 25.18 are classified under 2518.20 (calcined or sintered dolomite). National tariff lines under 2518.10 are live on border.bot for the United States (1 line, also used by 1 other country).
What this code covers
HS code 2518.10 covers dolomite, not calcined or sintered.
The legal text of the subheading is “Dolomite, not calcined or sintered”, in HS2022.
What it doesn’t cover
Other goods of heading 25.18 are classified under 2518.20 (calcined or sintered dolomite).
- 2518.20Calcined or sintered dolomite
How it is structured
2518.10 is a six-digit subheading. Its first two digits, 25, are the chapter; the first four, 2518, are heading 25.18; the last two, 10, identify the subheading within the heading.
Countries add their own digits after these six for their national tariff lines.
- Subheading 2518.10
- Dolomite, not calcined or sintered
In other countries
National tariff lines under 2518.10 are live on border.bot for the United States (1 line, also used by 1 other country).
- United States1 line, used by 1 other country
Frequently asked questions
What does HS code 2518.10 cover?
HS code 2518.10 covers dolomite, not calcined or sintered.
Which heading and chapter is HS code 2518.10 in?
HS code 2518.10 is in heading 25.18 (dolomite, whether or not calcined or sintered, including dolomite roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape) in chapter 25 (salt; sulphur; earths and stone; plastering materials, lime and cement).
Where are goods of heading 25.18 classified when 2518.10 doesn’t fit?
Other goods of heading 25.18 are classified under 2518.20 (calcined or sintered dolomite).
Which countries’ tariffs list national lines under HS code 2518.10?
National tariff lines under 2518.10 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.