HS chapter 25: Salt; sulphur; earths and stone; plastering materials, lime and cement
Last updated
Key facts
- Chapter
- 25
- Description
- Salt; sulphur; earths and stone; plastering materials, lime and cement
- Headings
- 29
- Subheadings
- 67
- Edition
- HS2022
Summary
HS chapter 25 covers salt; sulphur; earths and stone; plastering materials, lime and cement. It has 29 headings, 25.01 to 25.30, and 67 six-digit subheadings in HS2022. National tariff lines under chapter 25 are live on border.bot for the United States (101 lines, also used by 1 other country).
What this chapter covers
HS chapter 25 covers salt; sulphur; earths and stone; plastering materials, lime and cement.
It has 29 headings, 25.01 to 25.30, and 67 six-digit subheadings in HS2022.
25.01 Salt (including table salt and denatured salt) and pure sodium chloride, whether or not in aqueous solution or containing added anti-caking or free-flowing agents; sea water
- 2501.00Salt (including table salt and denatured salt) and pure sodium chloride, whether or not in aqueous solution or containing added anti-caking or free-flowing agents; sea water
25.02 Unroasted iron pyrites
- 2502.00Unroasted iron pyrites
25.03 Sulphur of all kinds, other than sublimed sulphur, precipitated sulphur and colloidal sulphur
- 2503.00Sulphur of all kinds, other than sublimed sulphur, precipitated sulphur and colloidal sulphur
25.07 Kaolin and other kaolinic clays, whether or not calcined
- 2507.00Kaolin and other kaolinic clays, whether or not calcined
25.09 Chalk
- 2509.00Chalk
25.12 Siliceous fossil meals (for example, kieselguhr, tripolite and diatomite) and similar siliceous earths, whether or not calcined, of an apparent specific gravity of 1 or less
- 2512.00Siliceous fossil meals (for example, kieselguhr, tripolite and diatomite) and similar siliceous earths, whether or not calcined, of an apparent specific gravity of 1 or less
25.14 Slate, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape
- 2514.00Slate, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape
25.17 Pebbles, gravel, broken or crushed stone, of a kind commonly used for concrete aggregates, for road metalling or for railway or other ballast, shingle and flint, whether or not heat-treated; macadam of slag, dross or similar industrial waste, whether or not incorporating the materials cited in the first part of the heading; tarred macadam; granules, chippings and powder, of stones of heading 25.15 or 25.16, whether or not heat-treated
- 2517.10Pebbles, gravel, broken or crushed stone, of a kind commonly used for concrete aggregates, for road metalling or for railway or other ballast, shingle and flint, whether or not heat-treated
- 2517.20Macadam of slag, dross or similar industrial waste, whether or not incorporating the materials cited in subheading 2517.10
- 2517.30Tarred macadam
- 2517.41Granules, chippings and powder, of stones of heading 2515 or 2516, whether or not heat-treated: Of marble
- 2517.49Granules, chippings and powder, of stones of heading 2515 or 2516, whether or not heat-treated: Other
25.21 Limestone flux; limestone and other calcareous stone, of a kind used for the manufacture of lime or cement
- 2521.00Limestone flux; limestone and other calcareous stone, of a kind used for the manufacture of lime or cement
25.28 Natural borates and concentrates thereof (whether or not calcined), but not including borates separated from natural brine; natural boric acid containing not more than 85 % of H3BO3 calculated on the dry weight
- 2528.00Natural borates and concentrates thereof (whether or not calcined), but not including borates separated from natural brine; natural boric acid containing not more than 85 % of H3BO3 calculated on the dry weight
What it doesn’t cover
Chapter 24, before it, covers tobacco and manufactured tobacco substitutes; products, whether or not containing nicotine, intended for inhalation without combustion; other nicotine containing products intended for the intake of nicotine into the human body; chapter 26, after it, covers ores, slag and ash.
How it is structured
Chapter 25 is the first level of the Harmonized System. Its headings add two digits to the chapter number (25.01), and each heading's subheadings add two more.
In other countries
National tariff lines under chapter 25 are live on border.bot for the United States (101 lines, also used by 1 other country).
- United States101 lines, used by 1 other country
Frequently asked questions
What does HS chapter 25 cover?
HS chapter 25 covers salt; sulphur; earths and stone; plastering materials, lime and cement.
How many headings and subheadings are in HS chapter 25?
HS chapter 25 has 29 headings and 67 six-digit subheadings in HS2022.
Which countries’ tariffs list national lines in HS chapter 25?
National tariff lines under chapter 25 are live on border.bot for the United States (101 lines, 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.