HTS Chapter 25

101 tariff lines in this chapter.

• 2501.00.0000 — 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
• 2502.00.0000 — Unroasted iron pyrites
• 2503.00.0010 — Crude or unrefined sulfur
• 2503.00.0090 — Other
• 2504.10.1000 — Crystalline flake (not including flake dust)
• 2504.10.5000 — Other
• 2504.90.0000 — Other
• 2505.10.1000 — Sand containing by weight 95 percent or more of silica and not more than 0.6 percent of oxide of iron
• 2505.10.5000 — Other
• 2505.90.0000 — Other
• 2506.10.0010 — Sands (other than natural) containing by weight 95 percent or more of silica and not more than 0.6 percent of oxide of iron
• 2506.10.0050 — Other
• 2506.20.0010 — Crude or roughly trimmed
• 2506.20.0080 — Other
• 2507.00.0000 — Kaolin and other kaolinic clays, whether or not calcined
• 2508.10.0000 — Bentonite
• 2508.30.0000 — Fire-clay
• 2508.40.0110 — Common blue clay and other ball clays
• 2508.40.0120 — Decolorizing earths and fuller's earth
• 2508.40.0150 — Other
• 2508.50.0000 — Andalusite, kyanite and sillimanite
• 2508.60.0000 — Mullite
• 2508.70.0000 — Chamotte or dinas earth
• 2509.00.1000 — Crude
• 2509.00.2000 — Other
• 2510.10.0000 — Unground
• 2510.20.0000 — Ground
• 2511.10.1000 — Ground
• 2511.10.5000 — Other
• 2511.20.0000 — Natural barium carbonate (witherite)
• 2512.00.0000 — 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
• 2513.10.0010 — Crude or in irregular pieces, including crushed pumice
• 2513.10.0080 — Other
• 2513.20.1000 — Crude or in irregular pieces
• 2513.20.9000 — Other
• 2514.00.0000 — Slate, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape
• 2515.11.0000 — Crude or roughly trimmed
• 2515.12.1000 — Marble
• 2515.12.2000 — Travertine
• 2515.20.0000 — Other calcareous monumental or building stone; alabaster
• 2516.11.0000 — Crude or roughly trimmed
• 2516.12.0030 — Having a thickness of 7.5 cm or more
• 2516.12.0060 — Other
• 2516.20.1000 — Crude or roughly trimmed
• 2516.20.2000 — Merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape
• 2516.90.0030 — Having a thickness of 7.5 cm or more
• 2516.90.0060 — Other
• 2517.10.0015 — Pebbles and gravel
• 2517.10.0020 — Limestone, except pebbles and gravel
• 2517.10.0055 — Other
• 2517.20.0000 — Macadam of slag, dross or similar industrial waste, whether or not incorporating the materials cited in subheading 2517.10
• 2517.30.0000 — Tarred macadam
• 2517.41.0000 — Of marble
• 2517.49.0000 — Other
• 2518.10.0000 — Dolomite, not calcined or sintered
• 2518.20.0000 — Calcined or sintered dolomite
• 2519.10.0000 — Natural magnesium carbonate (magnesite)
• 2519.90.1000 — Fused magnesia and dead-burned (sintered) magnesia
• 2519.90.2000 — Caustic calcined magnesite
• 2519.90.5000 — Other
• 2520.10.0000 — Gypsum; anhydrite
• 2520.20.0000 — Plasters
• 2521.00.0000 — Limestone flux; limestone and other calcareous stone, of a kind used for the manufacture of lime or cement
• 2522.10.0000 — Quicklime
• 2522.20.0000 — Slaked lime
• 2522.30.0000 — Hydraulic lime
• 2523.10.0000 — Cement clinkers
• 2523.21.0000 — White cement, whether or not artificially colored
• 2523.29.0000 — Other
• 2523.30.0000 — Aluminous cement
• 2523.90.0000 — Other hydraulic cements
• 2524.10.0000 — Crocidolite (Blue)
• 2524.90.0010 — Amosite
• 2524.90.0030 — Crudes
• 2524.90.0040 — Milled fibers, group 3 grades (spinning fibers or equivalent)
• 2524.90.0045 — Milled fibers, group 4 and 5 grades
• 2524.90.0055 — Other
• 2524.90.0060 — Other
• 2525.10.0010 — Split block mica
• 2525.10.0020 — Mica splittings
• 2525.10.0050 — Other
• 2525.20.0000 — Mica powder
• 2525.30.0000 — Mica waste
• 2526.10.0000 — Not crushed, not powdered
• 2526.20.0000 — Crushed or powdered
• 2528.00.0005 — Natural sodium borates and concentrates thereof (whether or not calcined)
• 2528.00.0010 — Natural calcium borates
• 2528.00.0050 — Other
• 2529.10.0000 — Feldspar
• 2529.21.0000 — Containing by weight 97 percent or less of calcium fluoride
• 2529.22.0000 — Containing by weight more than 97 percent of calcium fluoride
• 2529.30.0010 — Nepheline syenite
• 2529.30.0050 — Other
• 2530.10.0000 — Vermiculite, perlite and chlorites, unexpanded
• 2530.20.1000 — Kieserite
• 2530.20.2000 — Epsom salts
• 2530.90.1000 — Natural cryolite; natural chiolite
• 2530.90.2000 — Natural micaceous iron oxides
• 2530.90.8010 — Celestite
• 2530.90.8015 — Earth colors
• 2530.90.8050 — Other