Chapter 25

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

Section V: Mineral products · 67 six-digit HS codes

All HS codes in Chapter 25

250100Salt (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 250200Unroasted iron pyrites 250300Sulfur of all kinds, other than sublimed sulfur, precipitated sulfur and colloidal sulfur 250410In powder or in flakes:250490Other 250510Silica sands and quartz sands:250590Other 250610Quartz 250620Quartzite 250700Kaolin and other kaolinic clays, whether or not calcined 250810Bentonite 250830Fire-clay 250840Other clays 250850Andalusite, kyanite and sillimanite 250860Mullite 250870Chamotte or dinas earth 250900Chalk:251010Unground 251020Ground 251110Natural barium sulfate (barytes):251120Natural barium carbonate (witherite)251200Siliceous 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 251310Pumice stone 251320Emery, natural corundum, natural garnet and other natural abrasives:251400Slate, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape 251511Crude or roughly trimmed 251512Merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape:251520Other calcareous monumental or building stone; alabaster 251611Crude or roughly trimmed 251612Merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape 251620Sandstone:251690Other monumental or building stone 251710Pebbles, 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 251720Macadam of slag, dross or similar industrial waste, whether or not incorporating the materials cited in subheading 2517.10 251730Tarred macadam 251741Of marble 251749Other 251810Dolomite, not calcined or sintered 251820Calcined or sintered dolomite 251910Natural magnesium carbonate (magnesite)251990Other:252010Gypsum; anhydrite 252020Plasters 252100Limestone flux; limestone and other calcareous stone, of a kind used for the manufacture of lime or cement 252210Quicklime 252220Slaked lime 252230Hydraulic lime 252310Cement clinkers 252321White cement, whether or not artificially colored 252329Other 252330Aluminous cement 252390Other hydraulic cements 252410Crocidolite (Blue)252490Other 252510Crude mica and mica rifted into sheets or splittings 252520Mica powder 252530Mica waste 252610Not crushed, not powdered 252620Crushed or powdered 252800Natural 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 252910Feldspar 252921Containing by weight 97 percent or less of calcium fluoride 252922Containing by weight more than 97 percent of calcium fluoride 252930Leucite; nepheline and nepheline syenite 253010Vermiculite, perlite and chlorites, unexpanded 253020Kieserite, epsom salts (natural magnesium sulfates):253090Other: