HS chapter 25 tariff rates
Salt, sulphur, stone and cement: 67 product categories with real US schedule data.
Chapter 25 at a glance
- Product categories with schedule data: 67
- Tariff lines across those categories: 124
- Most common base rates: Free on 63, 3% on 3, 2.8% on 1
Nearby chapters: Chapter 24 - Chapter 26
All codes in chapter 25
| Code | Base rate | Goods |
|---|---|---|
| 250100 | Free | Salt (including table salt and denatured salt) and pure sodium chloride, whether or not in... |
| 250200 | Free | Unroasted iron pyrites |
| 250300 | Free | Sulfur of all kinds, other than sublimed sulfur, precipitated sulfur and colloidal sulfur |
| 250410 | Free | In powder or in flakes: |
| 250490 | Free | Other |
| 250510 | Free | Silica sands and quartz sands: |
| 250590 | Free | Other |
| 250610 | Free | Quartz |
| 250620 | Free | Quartzite |
| 250700 | Free | Kaolin and other kaolinic clays, whether or not calcined |
| 250810 | Free | Bentonite |
| 250830 | Free | Fire-clay |
| 250840 | Free | Other clays |
| 250850 | Free | Andalusite, kyanite and sillimanite |
| 250860 | Free | Mullite |
| 250870 | Free | Chamotte or dinas earth |
| 250900 | Free | Chalk: |
| 251010 | Free | Unground |
| 251020 | Free | Ground |
| 251110 | Free | Natural barium sulfate (barytes): |
| 251120 | Free | Natural barium carbonate (witherite) |
| 251200 | Free | Siliceous fossil meals (for example, kieselguhr, tripolite and diatomite) and similar sili... |
| 251310 | Free | Pumice stone |
| 251320 | Free | Emery, natural corundum, natural garnet and other natural abrasives: |
| 251400 | Free | Slate, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks o... |
| 251511 | Free | Crude or roughly trimmed |
| 251512 | Free | Merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including squar... |
| 251520 | 3% | Other calcareous monumental or building stone; alabaster |
| 251611 | Free | Crude or roughly trimmed |
| 251612 | 2.8% | Merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including squar... |
| 251620 | Free | Sandstone: |
| 251690 | 3% | Other monumental or building stone |
| 251710 | Free | Pebbles, gravel, broken or crushed stone, of a kind commonly used for concrete aggregates,... |
| 251720 | Free | Macadam of slag, dross or similar industrial waste, whether or not incorporating the mater... |
| 251730 | Free | Tarred macadam |
| 251741 | Free | Of marble |
| 251749 | Free | Other |
| 251810 | Free | Dolomite, not calcined or sintered |
| 251820 | 3% | Calcined or sintered dolomite |
| 251910 | Free | Natural magnesium carbonate (magnesite) |
| 251990 | Free | Other: |
| 252010 | Free | Gypsum; anhydrite |
| 252020 | Free | Plasters |
| 252100 | Free | Limestone flux; limestone and other calcareous stone, of a kind used for the manufacture o... |
| 252210 | Free | Quicklime |
| 252220 | Free | Slaked lime |
| 252230 | Free | Hydraulic lime |
| 252310 | Free | Cement clinkers |
| 252321 | Free | White cement, whether or not artificially colored |
| 252329 | Free | Other |
| 252330 | Free | Aluminous cement |
| 252390 | Free | Other hydraulic cements |
| 252410 | Free | Crocidolite (Blue) |
| 252490 | Free | Other |
| 252510 | Free | Crude mica and mica rifted into sheets or splittings |
| 252520 | Free | Mica powder |
| 252530 | Free | Mica waste |
| 252610 | Free | Not crushed, not powdered |
| 252620 | Free | Crushed or powdered |
| 252800 | Free | Natural borates and concentrates thereof (whether or not calcined), but not including bora... |
| 252910 | Free | Feldspar |
| 252921 | Free | Containing by weight 97 percent or less of calcium fluoride |
| 252922 | Free | Containing by weight more than 97 percent of calcium fluoride |
| 252930 | Free | Leucite; nepheline and nepheline syenite |
| 253010 | Free | Vermiculite, perlite and chlorites, unexpanded |
| 253020 | Free | Kieserite, epsom salts (natural magnesium sulfates): |
| 253090 | Free | Other: |
Chapter 25 questions
What does HS chapter 25 cover?
Chapter 25 covers Salt, sulphur, stone and cement. This page lists the 67 six-digit product categories in it that have real lines in the US tariff schedule, each with its base rate and a link to the full detail page.
Where do these rates come from?
The base rates come from the structured US tariff schedule, read through the Tariff Wire HS lookup. Recent actions come from published Federal Register notices from the last 30 days.
Can I use this page to classify my goods?
No. These pages cover six-digit product categories. The exact 8 or 10 digit classification of your goods, and what you owe on a specific entry, is work for you and your licensed customs broker.
Check the live rate for any code
Schedules change. Run a code through the free lookup to see the current base rate and any recent trade actions.
Free HS lookupGeneral trade information, not customs brokerage or legal advice. Last updated 2026-09-28 from the structured US tariff schedule. Rates change; confirm with your broker before you act.