Import duty / Chapter 25
29 headings and 67 tariff lines in section V; 57 lines clear duty-free under USMCA for North American origin goods. Each heading lists its lines with the published US and Canadian rates, verified October 2026.
Salt (including table salt and denatured salt); pure sodium chloride whether or not in aqueous solution; sea water
1 line · 1 USMCA-free
Iron pyrites; unroasted
1 line · 1 USMCA-free
Sulphur of all kinds; other than sublimed, precipitated and colloidal sulphur
1 line · 1 USMCA-free
Graphite; natural
2 lines · 1 USMCA-free
Sands of all kinds; natural, whether or not coloured, other than metal-bearing sands of chapter 26
2 lines · 1 USMCA-free
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
2 lines · 2 USMCA-free
Kaolin and other kaolinic clays; whether or not calcined
1 line · 1 USMCA-free
Clays; (not including expanded clays of heading no. 6806), andalusite kyanite and sillimanite, whether or not calcined; mullite; chamotte or dinas earth
6 lines · 6 USMCA-free
Chalk
1 line · 0 USMCA-free
Natural calcium phosphates; natural aluminium calcium phosphates and phosphatic chalk
2 lines · 2 USMCA-free
Natural barium sulphate (barytes); natural barium carbonate, (witherite) whether or not calcined, other than barium oxide of heading no. 2816
2 lines · 1 USMCA-free
Siliceous fossil meals (e.g. kieselguhr, tripolite and diatomite) and similar siliceous earths; whether or not calcined, of an apparent specific gravity of 1 or less
1 line · 1 USMCA-free
Pumice stone; emery; natural corundum, natural garnet and other natural abrasives, whether or not heat treated
2 lines · 1 USMCA-free
Slate, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape
1 line · 1 USMCA-free
Marble, travertine, ecaussine and other calcareous stone; of an apparent specific gravity of less than 2.5, alabaster, whether cut by sawing etc, into blocks, slabs of a rectangular (square) shape
3 lines · 2 USMCA-free
Granite, porphyry, basalt, sandstone, other monumental and building stone, whether or not roughly trimmed, cut, by sawing etc, into blocks or slabs of a rectangular (including square) shape
4 lines · 3 USMCA-free
Pebbles, gravel, crushed stone for concrete aggregates for road or railway ballast, shingle or flint; macadam of slag, dross etc tarred granules, chippings, powder of stones of heading no. 2515 and 2516
5 lines · 5 USMCA-free
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
2 lines · 2 USMCA-free
Natural magnesium carbonate (magnesite); fused magnesia; dead-burned (sintered) magnesia, whether or not containing small quantities of other oxides added before sintering; magnesium oxide, pure or not
2 lines · 1 USMCA-free
Gypsum; anhydrite; plasters (consisting of calcined gypsum or calcium sulphate), coloured or not, with or without small quantities of accelerators or retarders
2 lines · 2 USMCA-free
Limestone flux; limestone and other calcareous stone, of a kind used for the manufacture of lime or cement
1 line · 1 USMCA-free
Quicklime, slaked lime and hydraulic lime; other than calcium oxide and hydroxide of heading no. 2825
3 lines · 3 USMCA-free
Portland cement, aluminous cement (ciment fondu), slag cement, supersulphate cement and similar hydraulic cements, whether or not coloured or in the form of clinkers
5 lines · 5 USMCA-free
Asbestos
2 lines · 2 USMCA-free
Mica, including splittings; mica waste
3 lines · 3 USMCA-free
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
2 lines · 2 USMCA-free
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 % of H3BO3 calculated on the dry weight
1 line · 1 USMCA-free
Feldspar; leucite; nepheline and nepheline syenite; fluorspar
4 lines · 4 USMCA-free
Mineral substances not elsewhere specified or included
3 lines · 1 USMCA-free
This page is a free reference for shippers, not a customs ruling. Final classification and duty are determined by the licensed customs broker at entry, and government amounts are always billed at actual. Rates change with each tariff edition and trade action.
