Section 5: Mineral Products
Chapter 25: Chapter 25
109 tariff codes in this chapter
| HTS Code | Description | General Rate |
|---|---|---|
| 2501.00.00 | Salt (including table salt and denatured salt) and pure sodium chloride, whether or not in aqueous s... | Free |
| 2502.00.00 | Unroasted iron pyrites | Free |
| 2503.00.00 | Sulfur of all kinds, other than sublimed sulfur, precipitated sulfur and colloidal sulfur | Free |
| 2504 | Natural graphite: | — |
| 2504.10 | In powder or in flakes: | — |
| 2504.10.10 | Crystalline flake (not including flake dust) | Free |
| 2504.10.50 | Other | Free |
| 2504.90.00 | Other | Free |
| 2505 | Natural sands of all kinds, whether or not colored, other than metalbearing sands of chapter 26: | — |
| 2505.10 | Silica sands and quartz sands: | — |
| 2505.10.10 | Sand containing by weight 95 percent or more of silica and not more than 0.6 percent of oxide of iro... | Free |
| 2505.10.50 | Other | Free |
| 2505.90.00 | Other | Free |
| 2506 | Quartz (other than natural sands); quartzite, whether or not roughly trimmed or merely cut, by sawin... | — |
| 2506.10.00 | Quartz | Free |
| 2506.20.00 | Quartzite | Free |
| 2507.00.00 | Kaolin and other kaolinic clays, whether or not calcined | Free |
| 2508 | Other clays (not including expanded clays of heading 6806), andalusite, kyanite and sillimanite, whe... | — |
| 2508.10.00 | Bentonite | Free |
| 2508.30.00 | Fire-clay | Free |
| 2508.40.01 | Other clays | Free |
| 2508.50.00 | Andalusite, kyanite and sillimanite | Free |
| 2508.60.00 | Mullite | Free |
| 2508.70.00 | Chamotte or dinas earth | Free |
| 2509.00 | Chalk: | — |
| 2509.00.10 | Crude | Free |
| 2509.00.20 | Other | Free |
| 2510 | Natural calcium phosphates, natural aluminum calcium phosphates and phosphatic chalk: | — |
| 2510.10.00 | Unground | Free |
| 2510.20.00 | Ground | Free |
| 2511 | Natural barium sulfate (barytes); natural barium carbonate (witherite), whether or not calcined, oth... | — |
| 2511.10 | Natural barium sulfate (barytes): | — |
| 2511.10.10 | Ground | Free |
| 2511.10.50 | Other | $1.25/t |
| 2511.20.00 | Natural barium carbonate (witherite) | Free |
| 2512.00.00 | Siliceous fossil meals (for example, kieselguhr, tripolite and diatomite) and similar siliceous eart... | Free |
| 2513 | Pumice; emery; natural corundum, natural garnet and other natural abrasives, whether or not heat-tre... | — |
| 2513.10.00 | Pumice stone | Free |
| 2513.20 | Emery, natural corundum, natural garnet and other natural abrasives: | — |
| 2513.20.10 | Crude or in irregular pieces | Free |
| 2513.20.90 | Other | Free |
| 2514.00.00 | Slate, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of... | Free |
| 2515 | Marble, travertine and other calcareous monumental or building stone of an apparent specific gravity... | — |
| 2515.11.00 | Crude or roughly trimmed | Free |
| 2515.12 | Merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape: | — |
| 2515.12.10 | Marble | Free |
| 2515.12.20 | Travertine | 3% |
| 2515.20.00 | Other calcareous monumental or building stone; alabaster | 3% |
| 2516 | Granite, porphyry, basalt, sandstone and other monumental or building stone, whether or not roughly ... | — |
| 2516.11.00 | Crude or roughly trimmed | Free |
| 2516.12.00 | Merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape | 2.8% |
| 2516.20 | Sandstone: | — |
| 2516.20.10 | Crude or roughly trimmed | Free |
| 2516.20.20 | Merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape | 3% |
| 2516.90.00 | Other monumental or building stone | 3% |
| 2517 | Pebbles, gravel, broken or crushed stone, of a kind commonly used for concrete aggregates, for road ... | — |
| 2517.10.00 | Pebbles, gravel, broken or crushed stone, of a kind commonly used for concrete aggregates, for road ... | Free |
| 2517.20.00 | Macadam of slag, dross or similar industrial waste, whether or not incorporating the materials cited... | Free |
| 2517.30.00 | Tarred macadam | Free |
| 2517.41.00 | Of marble | Free |
| 2517.49.00 | Other | Free |
| 2518 | Dolomite, whether or not calcined or sintered, including dolomite roughly trimmed or merely cut, by ... | — |
| 2518.10.00 | Dolomite, not calcined or sintered | Free |
| 2518.20.00 | Calcined or sintered dolomite | 3% |
| 2519 | Natural magnesium carbonate (magnesite); fused magnesia; dead-burned (sintered) magnesia, whether or... | — |
| 2519.10.00 | Natural magnesium carbonate (magnesite) | Free |
| 2519.90 | Other: | — |
| 2519.90.10 | Fused magnesia and dead-burned (sintered) magnesia | Free |
| 2519.90.20 | Caustic calcined magnesite | Free |
| 2519.90.50 | Other | Free |
| 2520 | Gypsum; anhydrite; plasters (consisting of calcined gypsum or calcium sulfate) whether or not colore... | — |
| 2520.10.00 | Gypsum; anhydrite | Free |
| 2520.20.00 | Plasters | Free |
| 2521.00.00 | Limestone flux; limestone and other calcareous stone, of a kind used for the manufacture of lime or ... | Free |
| 2522 | Quicklime, slaked lime and hydraulic lime, other than calcium oxide and hydroxide of heading 2825: | — |
| 2522.10.00 | Quicklime | Free |
| 2522.20.00 | Slaked lime | Free |
| 2522.30.00 | Hydraulic lime | Free |
| 2523 | Portland cement, aluminous cement, slag cement, supersulfate cement and similar hydraulic cements, w... | — |
| 2523.10.00 | Cement clinkers | Free |
| 2523.21.00 | White cement, whether or not artificially colored | Free |
| 2523.29.00 | Other | Free |
| 2523.30.00 | Aluminous cement | Free |
| 2523.90.00 | Other hydraulic cements | Free |
| 2524 | Asbestos: | — |
| 2524.10.00 | Crocidolite (Blue) | Free |
| 2524.90.00 | Other | Free |
| 2525 | Mica, including splittings; mica waste: | — |
| 2525.10.00 | Crude mica and mica rifted into sheets or splittings | Free |
| 2525.20.00 | Mica powder | Free |
| 2525.30.00 | Mica waste | Free |
| 2526 | Natural steatite, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks ... | — |
| 2526.10.00 | Not crushed, not powdered | Free |
| 2526.20.00 | Crushed or powdered | Free |
| 2528.00.00 | Natural borates and concentrates thereof (whether or not calcined), but not including borates separa... | Free |
| 2529 | Feldspar; leucite, nepheline and nepheline syenite; fluorspar: | — |
| 2529.10.00 | Feldspar | Free |
| 2529.21.00 | Containing by weight 97 percent or less of calcium fluoride | Free |
| 2529.22.00 | Containing by weight more than 97 percent of calcium fluoride | Free |
| 2529.30.00 | Leucite; nepheline and nepheline syenite | Free |
| 2530 | Mineral substances not elsewhere specified or included: | — |
| 2530.10.00 | Vermiculite, perlite and chlorites, unexpanded | Free |
| 2530.20 | Kieserite, epsom salts (natural magnesium sulfates): | — |
| 2530.20.10 | Kieserite | Free |
| 2530.20.20 | Epsom salts | Free |
| 2530.90 | Other: | — |
| 2530.90.10 | Natural cryolite; natural chiolite | Free |
| 2530.90.20 | Natural micaceous iron oxides | 2.9% |
| 2530.90.80 | Other | Free |
Check Chapter 25 Rates by Country
Duty rates for Chapter 25 products vary by country of origin. Select a country to see general and preferential rates.
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Chapter 25 FAQ
What products are covered by HTS Chapter 25?▶
Chapter 25 of the Harmonized Tariff Schedule covers chapter 25. It contains 109 tariff codes classifying specific products for US import duty purposes.
How many tariff codes are in Chapter 25?▶
Chapter 25 contains 109 tariff codes, of which 79 are classifiable (leaf) codes. 71 of these codes have a duty-free general rate.
What are the duty rates for Chapter 25 imports?▶
Duty rates in Chapter 25 (Chapter 25) vary by specific product classification and country of origin. General (MFN) rates apply to most countries, while preferential rates may be available under trade agreements like USMCA, GSP, or bilateral FTAs.