HS chapter
25
Salt; sulphur; earths and stone; plastering materials, lime and cement
86 UK codes·101 US codes· 29 headings

022502Unroasted iron pyrites

UK commodity codes (1)
MFN varies (non-% / conditional)
US HTS codes (1)
MFN varies (non-% / conditional)

032503Sulphur of all kinds, other than sublimed sulphur, precipitated sulphur and colloidal sulphur

UK commodity codes (2)
MFN 0%
US HTS codes (2)
MFN varies (non-% / conditional)

042504Natural graphite

052505Natural sands of all kinds, whether or not coloured, other than metal-bearing sands of Chapter 26

062506Quartz (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

072507Kaolin and other kaolinic clays, whether or not calcined

082508Other clays (not including expanded clays of heading 6806), andalusite, kyanite and sillimanite, whether or not calcined; mullite; chamotte or dinas earths

092509Chalk

UK commodity codes (1)
MFN varies (non-% / conditional)
US HTS codes (2)
MFN varies (non-% / conditional)

102510Natural calcium phosphates, natural aluminium calcium phosphates and phosphatic chalk

UK commodity codes (2)
MFN 0%
US HTS codes (2)
MFN varies (non-% / conditional)

112511Natural barium sulphate (barytes); natural barium carbonate (witherite), whether or not calcined, other than barium oxide of heading 2816

122512Siliceous 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

132513Pumice stone; emery; natural corundum, natural garnet and other natural abrasives, whether or not heat-treated

142514Slate, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape

152515Marble, travertine, ecaussine 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

172517Pebbles, 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

182518Dolomite, 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

192519Natural 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

202520Gypsum; anhydrite; plasters (consisting of calcined gypsum or calcium sulphate) whether or not coloured, with or without small quantities of accelerators or retarders

UK commodity codes (2)
MFN 0%
US HTS codes (2)
MFN varies (non-% / conditional)

212521Limestone flux; limestone and other calcareous stone, of a kind used for the manufacture of lime or cement

222522Quicklime, slaked lime and hydraulic lime, other than calcium oxide and hydroxide of heading 2825

262526Natural steatite, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape; talc

272528Natural 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