Chapter 25 · Section V

25

Salt; sulphur; earths, stone; plastering materials, lime and cement

Headings in this chapter 29

• 2501Salt (including table salt and denatured salt); pure sodium chloride whether or not in aqueous solution; sea water
• 2502Iron pyrites; unroasted
• 2503Sulphur of all kinds; other than sublimed, precipitated and colloidal sulphur
• 2504Graphite; natural
• 2505Sands of all kinds; natural, whether or not coloured, other than metal-bearing sands of chapter 26
• 2506Quartz; (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
• 2507Kaolin and other kaolinic clays; whether or not calcined
• 2508Clays; (not including expanded clays of heading no. 6806), andalusite kyanite and sillimanite, whether or not calcined; mullite; chamotte or dinas earth
• 2509Chalk
• 2510Natural calcium phosphates; natural aluminium calcium phosphates and phosphatic chalk
• 2511Natural barium sulphate (barytes); natural barium carbonate, (witherite) whether or not calcined, other than barium oxide of heading no. 2816
• 2512Siliceous 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
• 2513Pumice stone; emery; natural corundum, natural garnet and other natural abrasives, whether or not heat treated
• 2514Slate, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape
• 2515Marble, 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
• 2516Granite, 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
• 2517Pebbles, 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
• 2518Dolomite, 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
• 2519Natural 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
• 2520Gypsum; anhydrite; plasters (consisting of calcined gypsum or calcium sulphate), coloured or not, with or without small quantities of accelerators or retarders
• 2521Limestone flux; limestone and other calcareous stone, of a kind used for the manufacture of lime or cement
• 2522Quicklime, slaked lime and hydraulic lime; other than calcium oxide and hydroxide of heading no. 2825
• 2523Portland cement, aluminous cement (ciment fondu), slag cement, supersulphate cement and similar hydraulic cements, whether or not coloured or in the form of clinkers
• 2524Asbestos
• 2525Mica, including splittings; mica waste
• 2526Natural steatite; whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape; talc
• 2528Natural 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
• 2529Feldspar; leucite; nepheline and nepheline syenite; fluorspar
• 2530Mineral substances not elsewhere specified or included