Chapter Notes (mobile-friendly format)

Chapter Notes (PDF format)

Heading / Subheading Stat Suffix Article Description Unit of Quantity Rates of Duty
1-General 1-Special 2
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 [1]
tFree26%
2502.00.0000
Unroasted iron pyrites
tFreeFree
2503.00.00
Sulfur of all kinds, other than sublimed sulfur, precipitated sulfur and colloidal sulfur
FreeFree
2503.00.0010
Crude or unrefined sulfur
t
2503.00.0090
Other
t
2504
Natural graphite:
2504.10
In powder or in flakes:
2504.10.1000
Crystalline flake (not including flake dust)
kgFree3.6¢/kg
2504.10.5000
Other
kgFree10%
2504.90.0000
Other
kgFree10%
2505
Natural sands of all kinds, whether or not colored, other than metalbearing sands of chapter 26:
2505.10
Silica sands and quartz sands:
2505.10.1000
Sand containing by weight 95 percent or more of silica and not more than 0.6 percent of oxide of iron
tFree$1.97/t
2505.10.5000
Other
tFreeFree
2505.90.0000
Other
tFreeFree
2506
Quartz (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) shape:
2506.10.00
Quartz
FreeFree
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
t
2506.10.0050
Other
t
2506.20.00
Quartzite
FreeFree
2506.20.0010
Crude or roughly trimmed
t
2506.20.0080
Other
t
2507.00.0000
Kaolin and other kaolinic clays, whether or not calcined [1]
tFree$2.46/t
2508
Other clays (not including expanded clays of heading 6806), andalusite, kyanite and sillimanite, whether or not calcined; mullite; chamotte or dinas earths:
2508.10.0000
Bentonite [1]
tFree$3.20/t
2508.30.0000
Fire-clay
tFree$1.97/t
2508.40.01
Other clays
Free$1.97/t
2508.40.0110
Common blue clay and other ball clays
t
2508.40.0120
Decolorizing earths and fuller's earth
t
2508.40.0150
Other
t
2508.50.0000
Andalusite, kyanite and sillimanite
tFreeFree
2508.60.0000
Mullite
tFree30%
2508.70.0000
Chamotte or dinas earth
tFreeFree
2509.00
Chalk:
2509.00.1000
Crude
tFreeFree
2509.00.2000
Other
tFree13%
2510
Natural calcium phosphates, natural aluminum calcium phosphates and phosphatic chalk:
2510.10.0000
Unground
tFreeFree
2510.20.0000
Ground
tFreeFree
2511
Natural barium sulfate (barytes); natural barium carbonate (witherite), whether or not calcined, other than barium oxide of heading 2816:
2511.10
Natural barium sulfate (barytes):
2511.10.1000
Ground
tFree$7.38/t
2511.10.5000
Other
t$1.25/tFree(A, AU, BH, CA, CL, CO, D, E, IL, JO, KR, MA, MX, OM, P, PA, PE, SG)$3.94/t
2511.20.0000
Natural barium carbonate (witherite)
kgFree30%
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 [1]
tFreeFree
2513
Pumice; emery; natural corundum, natural garnet and other natural abrasives, whether or not heat-treated:
2513.10.00
Pumice stone
FreeFree
2513.10.0010
Crude or in irregular pieces, including crushed pumice
kg
2513.10.0080
Other
kg
2513.20
Emery, natural corundum, natural garnet and other natural abrasives:
2513.20.1000
Crude or in irregular pieces
kgFreeFree
2513.20.9000
Other
kgFree2.2¢/kg
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
tFree25%
2515
Marble, 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) shape:
Marble and travertine:
2515.11.0000
Crude or roughly trimmed
m3Free$22.95/m3
2515.12
Merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape:
2515.12.1000
Marble
tFree13%
2515.12.2000
Travertine
t3%Free(A*, AU, BH, CA, CL, CO, D, E, IL, JO, KR, MA, MX, OM, P, PA, PE, SG)50%
2515.20.0000
Other calcareous monumental or building stone; alabaster
t3%Free(A, AU, BH, CA, CL, CO, D, E, IL, JO, KR, MA, MX, OM, P, PA, PE, SG)50%
2516
Granite, 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) shape:
Granite:
2516.11.0000
Crude or roughly trimmed
m3Free$8.83/m3
2516.12.00
Merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape
2.8%Free(A, AU, BH, CA, CL, CO, D, E, IL, JO, KR, MA, MX, OM, P, PA, PE, SG)60%
2516.12.0030
Having a thickness of 7.5 cm or more
t
2516.12.0060
Other
t
2516.20
Sandstone:
2516.20.1000
Crude or roughly trimmed
m3Free$5.30/m3
2516.20.2000
Merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape
t3%Free(A, AU, BH, CA, CL, CO, D, E, IL, JO, KR, MA, MX, OM, P, PA, PE, SG)50%
2516.90.00
Other monumental or building stone
3%Free(A, AU, BH, CA, CL, CO, D, E, IL, JO, KR, MA, MX, OM, P, PA, PE, SG)50%
2516.90.0030
Having a thickness of 7.5 cm or more
t
2516.90.0060
Other
t
2517
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; 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-treated:
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
Free30%
2517.10.0015
Pebbles and gravel
t
2517.10.0020
Limestone, except pebbles and gravel [1]
t
2517.10.0055
Other
t
2517.20.0000
Macadam of slag, dross or similar industrial waste, whether or not incorporating the materials cited in subheading 2517.10
tFree30%
2517.30.0000
Tarred macadam
tFree30%
Granules, chippings and powder, of stones of heading 2515 or 2516, whether or not heat-treated:
2517.41.0000
Of marble
tFree30%
2517.49.0000
Other [1]
tFree$1.10/t
2518
Dolomite 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) shape; dolomite ramming mix:
2518.10.0000
Dolomite, not calcined or sintered
tFreeFree
2518.20.0000
Calcined or sintered dolomite
t3%Free(A, AU, BH, CA, CL, CO, D, E, IL, JO, KR, MA, MX, OM, P, PA, PE, SG)30%
2518.30.0000
Dolomite ramming mix
tFree30%
2519
Natural 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 pure:
2519.10.0000
Natural magnesium carbonate (magnesite)
tFree$10.33/t
2519.90
Other:
2519.90.1000
Fused magnesia and dead-burned (sintered) magnesia
kgFree1.7¢/kg
2519.90.2000
Caustic calcined magnesite
tFree$20.70/t
2519.90.5000
Other
kgFree15.4¢/kg
2520
Gypsum; anhydrite; plasters (consisting of calcined gypsum or calcium sulfate) whether or not colored, with or without small quantities of accelerators or retarders:
2520.10.0000
Gypsum; anhydrite
tFreeFree
2520.20.0000
Plasters
tFree$1.38/t
2521.00.0000
Limestone flux; limestone and other calcareous stone, of a kind used for the manufacture of lime or cement
tFreeFree
2522
Quicklime, slaked lime and hydraulic lime, other than calcium oxide and hydroxide of heading 2825:
2522.10.0000
Quicklime
kgFree0.2¢/kg, including weight of container
2522.20.0000
Slaked lime
kgFree0.3¢/kg, including weight of container
2522.30.0000
Hydraulic lime
kgFree0.2¢/kg, including weight of container
2523
Portland cement, aluminous cement, slag cement, supersulfate cement and similar hydraulic cements, whether or not colored or in the form of clinkers:
2523.10.0000
Cement clinkers
tFree$1.32/t, including weight of container
Portland cement:
2523.21.0000
White cement, whether or not artificially colored
tFree$1.76/t, including weight of container
2523.29.0000
Other
tFree$1.32/t, including weight of container
2523.30.0000
Aluminous cement
tFree$1.32/t, including weight of container
2523.90.0000
Other hydraulic cements
tFree$1.32/t, including weight of container
2524
Asbestos:
2524.10.0000
Crocidolite (Blue)
tFreeFree
2524.90.00
Other
FreeFree
2524.90.0010
Amosite
t
Chrysotile:
2524.90.0030
Crudes
t
2524.90.0040
Milled fibers, group 3 grades (spinning fibers or equivalent)
t
2524.90.0045
Milled fibers, group 4 and 5 grades
t
2524.90.0055
Other
t
2524.90.0060
Other
t
2525
Mica, including splittings; mica waste:
2525.10.00
Crude mica and mica rifted into sheets or splittings
FreeFree
2525.10.0010
Split block mica
kg
2525.10.0020
Mica splittings
kg
2525.10.0050
Other
kg
2525.20.0000
Mica powder
kgFree20%
2525.30.0000
Mica waste
kgFree8.8¢/kg
2526
Natural steatite, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape; talc:
2526.10.0000
Not crushed, not powdered
kgFree0.6¢/kg
2526.20.0000
Crushed or powdered
tFree35%
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
FreeFree
2528.00.0005
Natural sodium borates and concentrates thereof (whether or not calcined)
kg
2528.00.0010
Natural calcium borates
kg
2528.00.0050
Other
kg
2529
Feldspar; leucite, nepheline and nepheline syenite; fluorspar:
2529.10.0000
Feldspar
tFree49¢/t
Fluorspar:
2529.21.0000
Containing by weight 97 percent or less of calcium fluoride
tFree13.5%
2529.22.0000
Containing by weight more than 97 percent of calcium fluoride
tFree$5.51/t
2529.30.00
Leucite; nepheline and nepheline syenite
FreeFree
2529.30.0010
Nepheline syenite
t
2529.30.0050
Other
t
2530
Mineral substances not elsewhere specified or included:
2530.10.0000
Vermiculite, perlite and chlorites, unexpanded
kgFreeFree
2530.20
Kieserite, epsom salts (natural magnesium sulfates):
2530.20.1000
Kieserite
kgFreeFree
2530.20.2000
Epsom salts [1]
kgFree20%
2530.90
Other:
2530.90.1000
Natural cryolite; natural chiolite
tFreeFree
2530.90.2000
Natural micaceous iron oxides [2]
kg2.9%Free(A, AU, BH, CA, CL, CO, D, E, IL, JO, KR, MA, MX, OM, P, PA, PE, SG)20%
2530.90.80
Other
Free0.3¢/kg
2530.90.8010
Celestite
kg
2530.90.8015
Earth colors
kg
2530.90.8050
Other
kg