Section V: Mineral Products
HTS Chapter 25: Salt; sulfur; earths and stone; plastering materials, lime and cement
Chapter 25 of the US Harmonized Tariff Schedule has 29 headings. Open a heading to see every subheading, duty rate and 10-digit statistical line.
- 2501Salt (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
- 2502Unroasted iron pyrites
- 2503Sulfur of all kinds, other than sublimed sulfur, precipitated sulfur and colloidal sulfur
- 2504Natural graphite:
- 2505Natural sands of all kinds, whether or not colored, other than metalbearing sands of chapter 26:
- 2506Quartz (other than natural sands); quartzite, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape:
- 2507Kaolin and other kaolinic clays, whether or not calcined
- 2508Other clays (not including expanded clays of heading 6806), andalusite, kyanite and sillimanite, whether or not calcined; mullite; chamotte or dinas earths:
- 2509Chalk:
- 2510Natural calcium phosphates, natural aluminum calcium phosphates and phosphatic chalk:
- 2511Natural barium sulfate (barytes); natural barium carbonate (witherite), whether or not calcined, other than barium oxide of heading 2816:
- 2512Siliceous 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
- 2513Pumice; emery; natural corundum, natural garnet and other natural abrasives, whether or not heat-treated:
- 2514Slate, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape
- 2515Marble, travertine and other calcareous monumental or building stone of an apparent specific gravity of 2.5 or more, and alabaster, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape:
- 2516Granite, porphyry, basalt, sandstone and other monumental or building stone, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape:
- 2517Pebbles, 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 2515 or 2516, whether or not heat-treated:
- 2518Dolomite, 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:
- 2519Natural magnesium carbonate (magnesite); fused magnesia; dead-burned (sintered) magnesia, whether or not containing small quantities of other oxides added before sintering; other magnesium oxide, whether or not pure:
- 2520Gypsum; anhydrite; plasters (consisting of calcined gypsum or calcium sulfate) whether or not colored, with or without small quantities of accelerators or retarders:
- 2521Limestone flux; limestone and other calcareous stone, of a kind used for the manufacture of lime or cement
- 2522Quicklime, slaked lime and hydraulic lime, other than calcium oxide and hydroxide of heading 2825:
- 2523Portland cement, aluminous cement, slag cement, supersulfate cement and similar hydraulic cements, whether or not colored or in the form of clinkers:
- 2524Asbestos:
- 2525Mica, including splittings; mica waste:
- 2526Natural steatite, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape; talc:
- 2528Natural borates and concentrates thereof (whether or not calcined), but not including borates separated from natural brine; natural boric acid containing not more than 85 percent of H3BO3 calculated on the dry weight
- 2529Feldspar; leucite, nepheline and nepheline syenite; fluorspar:
- 2530Mineral substances not elsewhere specified or included:
Free tools
Free customs and shipping tools
HTS Code Lookup
Search the full US Harmonized Tariff Schedule by product or code, with duty rates.
De Minimis & Tariff Checker
US de minimis status and the Section 301/232 tariffs that may apply to an import.
Landed Cost & Duty Calculator
Estimate import duties, taxes and fees so you can price DDP.
Commercial Invoice Generator
Make a customs-ready commercial invoice with HS codes, plus CN 22/CN 23-style declarations.
Want us to find the money leaking out of your shipping? Get a free profit-leak audit.
Request a free auditSource: Harmonized Tariff Schedule of the United States, 2026 HTS Revision 20 (effective 2026-09-28), U.S. International Trade Commission (hts.usitc.gov), imported 2026-10-07. Reference only; not legal or customs advice or a binding classification. Additional duties under Chapter 99 may apply. ShipWave is not affiliated with the USITC or U.S. Customs and Border Protection.