Section V: Mineral products
Chapter 25: Salt; sulfur; earths and stone; plastering materials, lime and cement
29 headings and 79 8-digit codes, from the USITC schedule, Revision 20 (2026).
- 2501.00.00Salt (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 water1 code
- 2502.00.00Unroasted iron pyrites1 code
- 2503.00.00Sulfur of all kinds, other than sublimed sulfur, precipitated sulfur and colloidal sulfur1 code
- 2504Natural graphite3 codes
- 2505Natural sands of all kinds, whether or not colored, other than metalbearing sands of chapter 263 codes
- 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) shape2 codes
- 2507.00.00Kaolin and other kaolinic clays, whether or not calcined1 code
- 2508Other clays (not including expanded clays of heading 6806), andalusite, kyanite and sillimanite, whether or not calcined; mullite; chamotte or dinas earths6 codes
- 2509Chalk: Crude2 codes
- 2510Natural calcium phosphates, natural aluminum calcium phosphates and phosphatic chalk2 codes
- 2511Natural barium sulfate (barytes); natural barium carbonate (witherite), whether or not calcined, other than barium oxide of heading 28163 codes
- 2512.00.00Siliceous fossil meals (for example, kieselguhr, tripolite and diatomite) and similar siliceous earths, whether or not calcined, of an apparent specific gravity of 1 or less1 code
- 2513Pumice; emery; natural corundum, natural garnet and other natural abrasives, whether or not heat-treated3 codes
- 2514.00.00Slate, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape1 code
- 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) shape4 codes
- 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) shape5 codes
- 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-treated5 codes
- 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) shape2 codes
- 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 pure4 codes
- 2520Gypsum; anhydrite; plasters (consisting of calcined gypsum or calcium sulfate) whether or not colored, with or without small quantities of accelerators or retarders2 codes
- 2521.00.00Limestone flux; limestone and other calcareous stone, of a kind used for the manufacture of lime or cement1 code
- 2522Quicklime, slaked lime and hydraulic lime, other than calcium oxide and hydroxide of heading 28253 codes
- 2523Portland cement, aluminous cement, slag cement, supersulfate cement and similar hydraulic cements, whether or not colored or in the form of clinkers5 codes
- 2524Asbestos2 codes
- 2525Mica, including splittings; mica waste3 codes
- 2526Natural steatite, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape; talc2 codes
- 2528.00.00Natural borates and concentrates thereof (whether or not calcined), but not including borates separated from natural brine; natural boric acid containing not more than 85 percent of H3BO3 calculated on the dry weight1 code
- 2529Feldspar; leucite, nepheline and nepheline syenite; fluorspar4 codes
- 2530Mineral substances not elsewhere specified or included6 codes