美国 · 第 25· 114 条目
§25盐、硫、土、石
本章品目（4 位 WCO 统一）
28 个品目
2501盐（包括食盐及变性盐）、纯氯化钠；海水→2502盐（包括食盐及变性盐）、纯氯化钠；海水→2503硫磺（升华硫、沉淀硫及胶体硫除外）→2504天然石墨→2505天然砂（第二十六章的含金属砂除外）→2506石英（天然砂除外）；石英岩→2507高岭土及其他高岭土质粘土（不论是否煅烧）→2508其他粘土、红柱石、蓝晶石、硅线石、莫来石、耐火粘土或硅质土→2509其他粘土、红柱石、蓝晶石、硅线石、莫来石、耐火粘土或硅质土→2510天然磷酸钙、天然磷酸铝钙及磷酸白垩→2511天然硫酸钡; 天然碳酸钡 (是否煅烧)→2512硅质化石粉及类似硅质土 (是否煅烧)→2513浮石; 金刚砂; 天然刚玉及其他天然磨料 (是否热处理)→2514浮石; 金刚砂; 天然刚玉及其他天然磨料 (是否热处理)→2515大理石; 凝灰岩; 艾考辛石及其他钙质碑石或建筑石→2516花岗岩; 斑岩; 玄武岩; 砂岩及其他碑石或建筑石→2518白云石 (是否煅烧或烧结); 白云石块或板→2519天然碳酸镁; 熔凝氧化镁; 死烧氧化镁及其他氧化镁→2520石膏; 硬石膏; 熟石膏 (是否着色)→2521石灰石熔剂; 石灰石及其他钙质石 (用于制石灰或水泥)→2522生石灰; 熟石灰及水硬石灰→2523硅酸盐水泥; 铝酸盐水泥; 矿渣水泥及类似水硬水泥→2524石棉→2525云母，包括劈片；云母废碎料→2526天然皂石及滑石→2528天然硼酸盐及其精矿；天然硼酸→2529长石；白榴石；霞石及霞石正长岩；萤石→2530其他未列名矿物→
美国 全部税号
| HS 编码 | 商品描述 | 首要税率 | |
|---|---|---|---|
| 2501.00.00.00 | 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 | Free | → |
| 2502.00.00.00 | Unroasted iron pyrites | Free | → |
| 2503.00.00 | Sulfur of all kinds, other than sublimed sulfur, precipitated sulfur and colloidal sulfur | Free | → |
| 2503.00.00.10 | Crude or unrefined sulfur | Free | → |
| 2503.00.00.90 | Other | Free | → |
| 2504.10.10.00 | Crystalline flake (not including flake dust) | Free | → |
| 2504.10.50.00 | Other | Free | → |
| 2504.90.00.00 | Other | Free | → |
| 2505.10.10.00 | Sand containing by weight 95 percent or more of silica and not more than 0.6 percent of oxide of iron | Free | → |
| 2505.10.50.00 | Other | Free | → |
| 2505.90.00.00 | Other | Free | → |
| 2506.10.00 | Quartz | Free | → |
| 2506.10.00.10 | Sands (other than natural) containing by weight 95 percent or more of silica and not more than 0.6 percent of oxide of iron | Free | → |
| 2506.10.00.50 | Other | Free | → |
| 2506.20.00 | Quartzite | Free | → |
| 2506.20.00.10 | Crude or roughly trimmed | Free | → |
| 2506.20.00.80 | Other | Free | → |
| 2507.00.00.00 | Kaolin and other kaolinic clays, whether or not calcined | Free | → |
| 2508.10.00.00 | Bentonite | Free | → |
| 2508.30.00.00 | Fire-clay | Free | → |
| 2508.40.01 | Other clays | Free | → |
| 2508.40.01.10 | Common blue clay and other ball clays | Free | → |
| 2508.40.01.20 | Decolorizing earths and fuller's earth | Free | → |
| 2508.40.01.50 | Other | Free | → |
| 2508.50.00.00 | Andalusite, kyanite and sillimanite | Free | → |
| 2508.60.00.00 | Mullite | Free | → |
| 2508.70.00.00 | Chamotte or dinas earth | Free | → |
| 2509.00.10.00 | Crude | Free | → |
| 2509.00.20.00 | Other | Free | → |
| 2510.10.00.00 | Unground | Free | → |
| 2510.20.00.00 | Ground | Free | → |
| 2511.10.10.00 | Ground | Free | → |
| 2511.10.50.00 | Other | $1.25/t | → |
| 2511.20.00.00 | Natural barium carbonate (witherite) | Free | → |
| 2512.00.00.00 | Siliceous 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 | Free | → |
| 2513.10.00 | Pumice stone | Free | → |
| 2513.10.00.10 | Crude or in irregular pieces, including crushed pumice | Free | → |
| 2513.10.00.80 | Other | Free | → |
| 2513.20.10.00 | Crude or in irregular pieces | Free | → |
| 2513.20.90.00 | Other | Free | → |
| 2514.00.00.00 | Slate, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape | Free | → |
| 2515.11.00.00 | Crude or roughly trimmed | Free | → |
| 2515.12.10.00 | Marble | Free | → |
| 2515.12.20.00 | Travertine | 3% | → |
| 2515.20.00.00 | Other calcareous monumental or building stone; alabaster | 3% | → |
| 2516.11.00.00 | 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% | → |
| 2516.12.00.30 | Having a thickness of 7.5 cm or more | 2.8% | → |
| 2516.12.00.60 | Other | 2.8% | → |
| 2516.20.10.00 | Crude or roughly trimmed | Free | → |
| 2516.20.20.00 | 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% | → |
| 2516.90.00.30 | Having a thickness of 7.5 cm or more | 3% | → |
| 2516.90.00.60 | Other | 3% | → |
| 2517.10.00 | Pebbles, 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 | Free | → |
| 2517.10.00.15 | Pebbles and gravel | Free | → |
| 2517.10.00.20 | Limestone, except pebbles and gravel | Free | → |
| 2517.10.00.55 | Other | Free | → |
| 2517.20.00.00 | Macadam of slag, dross or similar industrial waste, whether or not incorporating the materials cited in subheading 2517.10 | Free | → |
| 2517.30.00.00 | Tarred macadam | Free | → |
| 2517.41.00.00 | Of marble | Free | → |
| 2517.49.00.00 | Other | Free | → |
| 2518.10.00.00 | Dolomite, not calcined or sintered | Free | → |
| 2518.20.00.00 | Calcined or sintered dolomite | 3% | → |
| 2519.10.00.00 | Natural magnesium carbonate (magnesite) | Free | → |
| 2519.90.10.00 | Fused magnesia and dead-burned (sintered) magnesia | Free | → |
| 2519.90.20.00 | Caustic calcined magnesite | Free | → |
| 2519.90.50.00 | Other | Free | → |
| 2520.10.00.00 | Gypsum; anhydrite | Free | → |
| 2520.20.00.00 | Plasters | Free | → |
| 2521.00.00.00 | Limestone flux; limestone and other calcareous stone, of a kind used for the manufacture of lime or cement | Free | → |
| 2522.10.00.00 | Quicklime | Free | → |
| 2522.20.00.00 | Slaked lime | Free | → |
| 2522.30.00.00 | Hydraulic lime | Free | → |
| 2523.10.00.00 | Cement clinkers | Free | → |
| 2523.21.00.00 | White cement, whether or not artificially colored | Free | → |
| 2523.29.00.00 | Other | Free | → |
| 2523.30.00.00 | Aluminous cement | Free | → |
| 2523.90.00.00 | Other hydraulic cements | Free | → |
| 2524.10.00.00 | Crocidolite (Blue) | Free | → |
| 2524.90.00 | Other | Free | → |
| 2524.90.00.10 | Amosite | Free | → |
| 2524.90.00.30 | Crudes | Free | → |
| 2524.90.00.40 | Milled fibers, group 3 grades (spinning fibers or equivalent) | Free | → |
| 2524.90.00.45 | Milled fibers, group 4 and 5 grades | Free | → |
| 2524.90.00.55 | Other | Free | → |
| 2524.90.00.60 | Other | Free | → |
| 2525.10.00 | Crude mica and mica rifted into sheets or splittings | Free | → |
| 2525.10.00.10 | Split block mica | Free | → |
| 2525.10.00.20 | Mica splittings | Free | → |
| 2525.10.00.50 | Other | Free | → |
| 2525.20.00.00 | Mica powder | Free | → |
| 2525.30.00.00 | Mica waste | Free | → |
| 2526.10.00.00 | Not crushed, not powdered | Free | → |
| 2526.20.00.00 | Crushed or powdered | Free | → |
| 2528.00.00 | Natural 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 | Free | → |
| 2528.00.00.05 | Natural sodium borates and concentrates thereof (whether or not calcined) | Free | → |
| 2528.00.00.10 | Natural calcium borates | Free | → |
| 2528.00.00.50 | Other | Free | → |
| 2529.10.00.00 | Feldspar | Free | → |
| 2529.21.00.00 | Containing by weight 97 percent or less of calcium fluoride | Free | → |
| 2529.22.00.00 | Containing by weight more than 97 percent of calcium fluoride | Free | → |
| 2529.30.00 | Leucite; nepheline and nepheline syenite | Free | → |
| 2529.30.00.10 | Nepheline syenite | Free | → |
| 2529.30.00.50 | Other | Free | → |
| 2530.10.00.00 | Vermiculite, perlite and chlorites, unexpanded | Free | → |
| 2530.20.10.00 | Kieserite | Free | → |
| 2530.20.20.00 | Epsom salts | Free | → |
| 2530.90.10.00 | Natural cryolite; natural chiolite | Free | → |
| 2530.90.20.00 | Natural micaceous iron oxides | 2.9% | → |
| 2530.90.80 | Other | Free | → |
| 2530.90.80.10 | Celestite | Free | → |
| 2530.90.80.15 | Earth colors | Free | → |
| 2530.90.80.50 | Other | Free | → |