HTS chapter 25: duty rates for all 79 tariff lines
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. 71 lines are duty-free at the general rate; 67 are on a Section 301 China list.
2501: Salt (including table salt and denatured salt) and pure sodium chloride, whether or not in aqueous solution or containing added anti-caking …
| Line | Description | General | Section 301 (China) |
|---|---|---|---|
| 2501.00.00 | Salt (including table salt and denatured salt) and pure sodium chloride, whether or not in aqu… | Free | List 3 +25% |
2502: Unroasted iron pyrites
| Line | Description | General | Section 301 (China) |
|---|---|---|---|
| 2502.00.00 | Unroasted iron pyrites | Free | List 3 +25% |
2503: Sulfur of all kinds, other than sublimed sulfur, precipitated sulfur and colloidal sulfur
| Line | Description | General | Section 301 (China) |
|---|---|---|---|
| 2503.00.00 | Sulfur of all kinds, other than sublimed sulfur, precipitated sulfur and colloidal sulfur | Free | List 3 +25% |
2504: Natural graphite
| Line | Description | General | Section 301 (China) |
|---|---|---|---|
| 2504.10.10 | Crystalline flake (not including flake dust) | Free | Four-year review +25% |
| 2504.10.50 | In powder or in flakes: Other | Free | Four-year review +25% |
| 2504.90.00 | Natural graphite: Other | Free | Four-year review +25% |
2505: Natural sands of all kinds, whether or not colored, other than metalbearing sands of chapter 26
| Line | Description | General | Section 301 (China) |
|---|---|---|---|
| 2505.10.10 | Sand containing by weight 95 percent or more of silica and not more than 0.6 percent of oxide … | Free | List 3 +25% |
| 2505.10.50 | Silica sands and quartz sands: Other | Free | List 3 +25% |
| 2505.90.00 | Natural sands of all kinds, whether or not colored, other than metalbearing sand…: Other | Free | List 3 +25% |
2506: Quartz (other than natural sands); quartzite, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of …
| Line | Description | General | Section 301 (China) |
|---|---|---|---|
| 2506.10.00 | Quartz (other than natural sands); quartzite, whether or not roughly trimmed or …: Quartz | Free | List 3 +25% |
| 2506.20.00 | Quartz (other than natural sands); quartzite, whether or not roughly trimmed or …: Quartzite | Free | List 3 +25% |
2507: Kaolin and other kaolinic clays, whether or not calcined
| Line | Description | General | Section 301 (China) |
|---|---|---|---|
| 2507.00.00 | Kaolin and other kaolinic clays, whether or not calcined | Free | List 3 +25% |
2508: Other clays (not including expanded clays of heading 6806), andalusite, kyanite and sillimanite, whether or not calcined; mullite; chamotte …
| Line | Description | General | Section 301 (China) |
|---|---|---|---|
| 2508.10.00 | Other clays (not including expanded clays of heading 6806), andalusite, kyanite …: Bentonite | Free | List 3 +25% |
| 2508.30.00 | Other clays (not including expanded clays of heading 6806), andalusite, kyanite …: Fire-clay | Free | none |
| 2508.40.01 | Other clays (not including expanded clays of heading 6806), andalusite, kyanite …: Other clays | Free | List 3 +25% |
| 2508.50.00 | Andalusite, kyanite and sillimanite | Free | List 3 +25% |
| 2508.60.00 | Other clays (not including expanded clays of heading 6806), andalusite, kyanite …: Mullite | Free | List 3 +25% |
| 2508.70.00 | Other clays (not including expanded clays of heading 6806), andalusite, kyanite …: Chamotte or… | Free | List 3 +25% |
2509: Chalk
| Line | Description | General | Section 301 (China) |
|---|---|---|---|
| 2509.00.10 | Chalk: Crude | Free | List 3 +25% |
| 2509.00.20 | Chalk: Other | Free | List 3 +25% |
2510: Natural calcium phosphates, natural aluminum calcium phosphates and phosphatic chalk
| Line | Description | General | Section 301 (China) |
|---|---|---|---|
| 2510.10.00 | Natural calcium phosphates, natural aluminum calcium phosphates and phosphatic c…: Unground | Free | List 3 +25% |
| 2510.20.00 | Natural calcium phosphates, natural aluminum calcium phosphates and phosphatic c…: Ground | Free | List 3 +25% |
2511: Natural barium sulfate (barytes); natural barium carbonate (witherite), whether or not calcined, other than barium oxide of heading 2816
| Line | Description | General | Section 301 (China) |
|---|---|---|---|
| 2511.10.10 | Natural barium sulfate (barytes): Ground | Free | none |
| 2511.10.50 | Natural barium sulfate (barytes): Other | $1.25/t | none |
| 2511.20.00 | Natural barium carbonate (witherite) | Free | List 3 +25% |
2512: Siliceous fossil meals (for example, kieselguhr, tripolite and diatomite) and similar siliceous earths, whether or not calcined, of an appar…
| Line | Description | General | Section 301 (China) |
|---|---|---|---|
| 2512.00.00 | Siliceous fossil meals (for example, kieselguhr, tripolite and diatomite) and similar siliceou… | Free | List 3 +25% |
2513: Pumice; emery; natural corundum, natural garnet and other natural abrasives, whether or not heat-treated
| Line | Description | General | Section 301 (China) |
|---|---|---|---|
| 2513.10.00 | Pumice; emery; natural corundum, natural garnet and other natural abrasives, whe…: Pumice stone | Free | List 3 +25% |
| 2513.20.10 | Crude or in irregular pieces | Free | List 3 +25% |
| 2513.20.90 | Emery, natural corundum, natural garnet and other natural abrasives: Other | Free | List 3 +25% |
2514: Slate, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape
| Line | Description | General | Section 301 (China) |
|---|---|---|---|
| 2514.00.00 | Slate, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or sl… | Free | List 3 +25% |
2515: Marble, travertine and other calcareous monumental or building stone of an apparent specific gravity of 2.5 or more, and alabaster, whether …
| Line | Description | General | Section 301 (China) |
|---|---|---|---|
| 2515.11.00 | Marble and travertine: Crude or roughly trimmed | Free | List 3 +25% |
| 2515.12.10 | Merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (inclu…: Marble | Free | List 3 +25% |
| 2515.12.20 | Merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (inclu…: Travertine | 3% | List 3 +25% |
| 2515.20.00 | Marble, travertine and other calcareous monumental or building stone of an appar…: Other calca… | 3% | List 3 +25% |
2516: Granite, porphyry, basalt, sandstone and other monumental or building stone, whether or not roughly trimmed or merely cut, by sawing or othe…
| Line | Description | General | Section 301 (China) |
|---|---|---|---|
| 2516.11.00 | Granite: Crude or roughly trimmed | Free | List 3 +25% |
| 2516.12.00 | Merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) s… | 2.8% | List 3 +25% |
| 2516.20.10 | Sandstone: Crude or roughly trimmed | Free | List 3 +25% |
| 2516.20.20 | Merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) s… | 3% | List 3 +25% |
| 2516.90.00 | Granite, porphyry, basalt, sandstone and other monumental or building stone, whe…: Other monum… | 3% | List 3 +25% |
2517: Pebbles, gravel, broken or crushed stone, of a kind commonly used for concrete aggregates, for road metalling, or for railway or other balla…
| Line | Description | General | Section 301 (China) |
|---|---|---|---|
| 2517.10.00 | Pebbles, gravel, broken or crushed stone, of a kind commonly used for concrete aggregates, for… | Free | List 3 +25% |
| 2517.20.00 | Macadam of slag, dross or similar industrial waste, whether or not incorporating the materials… | Free | List 3 +25% |
| 2517.30.00 | Pebbles, gravel, broken or crushed stone, of a kind commonly used for concrete a…: Tarred maca… | Free | List 3 +25% |
| 2517.41.00 | Granules, chippings and powder, of stones of heading 2515 or 2516, whether or no…: Of marble | Free | List 3 +25% |
| 2517.49.00 | Granules, chippings and powder, of stones of heading 2515 or 2516, whether or no…: Other | Free | List 3 +25% |
2518: Dolomite, whether or not calcined or sintered, including dolomite roughly trimmed or merely cut, by sawing or otherwise, into blocks or slab…
| Line | Description | General | Section 301 (China) |
|---|---|---|---|
| 2518.10.00 | Dolomite, not calcined or sintered | Free | List 3 +25% |
| 2518.20.00 | Calcined or sintered dolomite | 3% | List 3 +25% |
2519: Natural magnesium carbonate (magnesite); fused magnesia; dead-burned (sintered) magnesia, whether or not containing small quantities of othe…
| Line | Description | General | Section 301 (China) |
|---|---|---|---|
| 2519.10.00 | Natural magnesium carbonate (magnesite) | Free | none |
| 2519.90.10 | Fused magnesia and dead-burned (sintered) magnesia | Free | none |
| 2519.90.20 | Other: Caustic calcined magnesite | Free | none |
| 2519.90.50 | Other: Other | Free | none |
2520: Gypsum; anhydrite; plasters (consisting of calcined gypsum or calcium sulfate) whether or not colored, with or without small quantities of a…
| Line | Description | General | Section 301 (China) |
|---|---|---|---|
| 2520.10.00 | Gypsum; anhydrite; plasters (consisting of calcined gypsum or calcium sulfate) w…: Gypsum; anh… | Free | List 3 +25% |
| 2520.20.00 | Gypsum; anhydrite; plasters (consisting of calcined gypsum or calcium sulfate) w…: Plasters | Free | List 3 +25% |
2521: Limestone flux; limestone and other calcareous stone, of a kind used for the manufacture of lime or cement
| Line | Description | General | Section 301 (China) |
|---|---|---|---|
| 2521.00.00 | Limestone flux; limestone and other calcareous stone, of a kind used for the manufacture of li… | Free | List 3 +25% |
2522: Quicklime, slaked lime and hydraulic lime, other than calcium oxide and hydroxide of heading 2825
| Line | Description | General | Section 301 (China) |
|---|---|---|---|
| 2522.10.00 | Quicklime, slaked lime and hydraulic lime, other than calcium oxide and hydroxid…: Quicklime | Free | List 3 +25% |
| 2522.20.00 | Quicklime, slaked lime and hydraulic lime, other than calcium oxide and hydroxid…: Slaked lime | Free | List 3 +25% |
| 2522.30.00 | Quicklime, slaked lime and hydraulic lime, other than calcium oxide and hydroxid…: Hydraulic l… | Free | List 3 +25% |
2523: Portland cement, aluminous cement, slag cement, supersulfate cement and similar hydraulic cements, whether or not colored or in the form of …
| Line | Description | General | Section 301 (China) |
|---|---|---|---|
| 2523.10.00 | Portland cement, aluminous cement, slag cement, supersulfate cement and similar …: Cement clin… | Free | List 3 +25% |
| 2523.21.00 | White cement, whether or not artificially colored | Free | List 3 +25% |
| 2523.29.00 | Portland cement: Other | Free | List 3 +25% |
| 2523.30.00 | Portland cement, aluminous cement, slag cement, supersulfate cement and similar …: Aluminous c… | Free | List 3 +25% |
| 2523.90.00 | Portland cement, aluminous cement, slag cement, supersulfate cement and similar …: Other hydra… | Free | List 3 +25% |
2524: Asbestos
| Line | Description | General | Section 301 (China) |
|---|---|---|---|
| 2524.10.00 | Asbestos: Crocidolite (Blue) | Free | List 3 +25% |
| 2524.90.00 | Asbestos: Other | Free | List 3 +25% |
2525: Mica, including splittings; mica waste
| Line | Description | General | Section 301 (China) |
|---|---|---|---|
| 2525.10.00 | Crude mica and mica rifted into sheets or splittings | Free | List 3 +25% |
| 2525.20.00 | Mica, including splittings; mica waste: Mica powder | Free | List 3 +25% |
| 2525.30.00 | Mica, including splittings; mica waste: Mica waste | Free | List 3 +25% |
2526: Natural steatite, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including squ…
| Line | Description | General | Section 301 (China) |
|---|---|---|---|
| 2526.10.00 | Natural steatite, whether or not roughly trimmed or merely cut, by sawing or oth…: Not crushed… | Free | none |
| 2526.20.00 | Natural steatite, whether or not roughly trimmed or merely cut, by sawing or oth…: Crushed or … | Free | none |
2528: Natural borates and concentrates thereof (whether or not calcined), but not including borates separated from natural brine; natural boric ac…
| Line | Description | General | Section 301 (China) |
|---|---|---|---|
| 2528.00.00 | Natural borates and concentrates thereof (whether or not calcined), but not including borates … | Free | List 3 +25% |
2529: Feldspar; leucite, nepheline and nepheline syenite; fluorspar
| Line | Description | General | Section 301 (China) |
|---|---|---|---|
| 2529.10.00 | Feldspar; leucite, nepheline and nepheline syenite; fluorspar: Feldspar | Free | List 3 +25% |
| 2529.21.00 | Containing by weight 97 percent or less of calcium fluoride | Free | none |
| 2529.22.00 | Containing by weight more than 97 percent of calcium fluoride | Free | none |
| 2529.30.00 | Leucite; nepheline and nepheline syenite | Free | List 3 +25% |
2530: Mineral substances not elsewhere specified or included
| Line | Description | General | Section 301 (China) |
|---|---|---|---|
| 2530.10.00 | Vermiculite, perlite and chlorites, unexpanded | Free | List 3 +25% |
| 2530.20.10 | Kieserite, epsom salts (natural magnesium sulfates): Kieserite | Free | List 3 +25% |
| 2530.20.20 | Kieserite, epsom salts (natural magnesium sulfates): Epsom salts | Free | List 3 +25% |
| 2530.90.10 | Natural cryolite; natural chiolite | Free | List 3 +25% |
| 2530.90.20 | Natural micaceous iron oxides | 2.9% | List 3 +25% |
| 2530.90.80 | Other: Other | Free | none |