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

66 products · US trade over the 12 months to August 2026

Product	US imports	US exports
Salt (incl table & denatured salt) & pure sodium chloride, wheth/nt in aqueous solution or containg added anticaking or free flowing agts; sea waterHS 2501.00	$708.8M	$228.7M
Unroasted iron pyritesHS 2502.00	$4.6M	$3.3M
Sulfur of all kinds, other than sublimed sulfur, precipitated sulfur and colloidal sulfurHS 2503.00	$699.3M	$1.46B
Natural graphite, in powder or in flakesHS 2504.10	$109.9M	$26.3M
Natural graphite, except powder or flakesHS 2504.90	$1.9M	$3.2M
Silica sands and quartz sands, naturalHS 2505.10	$22.2M	$447.4M
Sands, natural, except metal bearing or silica or quartz sandsHS 2505.90	$30.2M	$17.0M
Quartz (other than natural sands)HS 2506.10	$21.7M	$129.8M
QuartziteHS 2506.20	$14.3M	$933K
Kaolin and other kaolinic clays, whether or not calcinedHS 2507.00	$9.4M	$539.5M
Bentonite, whether or not calcinedHS 2508.10	$14.8M	$166.7M
Fire clay, whether or not calcinedHS 2508.30	$596K	$50.5M
Clays (excluding expanded clays), not elsewhere specified, including common blue clay and other ball clays, whether or not calcinedHS 2508.40	$6.1M	$149.2M
Andalusite, kyanite and sillimanite, whether or not calcinedHS 2508.50	$1.8M	$18.4M
MulliteHS 2508.60	$10.3M	$10.0M
Chamotte or dinas earthHS 2508.70	$1.4M	$1.7M
ChalkHS 2509.00	$1.4M	$719K
Natural calcium phosphates, natural aluminum calcium phosphates and phosphatic chalk, ungroundHS 2510.10	$301.9M	$274K
Natural calcium phosphates, natural aluminum calcium phosphates and phosphatic chalk, groundHS 2510.20	$880K	$3.2M
Natural barium sulfate (barytes)HS 2511.10	$254.8M	$17.1M
Natural barium carbonate (witherite)HS 2511.20	$6K	$76K
Siliceous fossil meals (including kieselguhr, tripolite and diatomite) and similar siliceous earths, of an apparent specific gravity of 1 or lessHS 2512.00	$11.0M	$55.4M
Pumice stoneHS 2513.10	$3.3M	$6.0M
Emery, natural corundum, natural garnet and other natural abrasivesHS 2513.20	$37.5M	$16.0M
Slate, whether or not roughly trimmed or merely cut, by sawing etc. into blocks or slabs of rectangular or square shapeHS 2514.00	$1.5M	$142K
Marble and travertine, crude or roughly trimmedHS 2515.11	$574K	$4.6M
Marble and travertine, merely cut into blocks or slabs of rectangular or square shapeHS 2515.12	$6.0M	$2.2M
Calcareous monumental or building stone, except marble and travertine; alabasterHS 2515.20	$3.2M	$3.7M
Granite, crude or roughly trimmedHS 2516.11	$16.0M	$7.8M
Granite, merely cut into blocks or slabs of rectangular or square shapeHS 2516.12	$4.5M	$5.4M
SandstoneHS 2516.20	$6.5M	$1.4M
Basalt, porphyry and other monumental or building stone, not elsewhere specified, whether or not trimmed or merely cut into blocks etc. of rectangular or square shapeHS 2516.90	$5.2M	$6.0M
Pebbles, gravel, broken or crushed stones for concrete aggregates, for road metalling or ballast, shingle and flint, whether or not heat treatedHS 2517.10	$209.7M	$43.2M
Macadam of slag, dross or similar industrial waste, whether or not incorporating pebbles, gravel, broken or crushed stones, cited in subheading 251710HS 2517.20	$12.2M	$4.5M
Tarred macadamHS 2517.30	$800K	$1.2M
Marble granules, chippings and powderHS 2517.41	$24.7M	$6.1M
Granules, chippings and powder of monumental or building stones (calcareous not elsewhere specified, alabaster, granite, porphyry, basalt, sandstone etc.), not elsewhere specifiedHS 2517.49	$13.9M	$14.8M
Dolomite not calcinedHS 2518.10	$35.9M	$2.0M
Calcined dolomiteHS 2518.20	$10.0M	$12.6M
Natural magnesium carbonate (magnesite)HS 2519.10	$3.4M	$3.4M
Fused magnesia; dead-burned (sintered) magnesia; other magnesium oxide not elsewhere specified, whether or not pureHS 2519.90	$247.4M	$36.7M
Gypsum; anhydriteHS 2520.10	$110.0M	$15.4M
Plasters consisting of calcined gypsum or calcium sulfateHS 2520.20	$8.3M	$42.8M
Limestone flux; limestone and other calcareous stone, of a kind used for the manufacture of lime or cement (or for soil improvement)HS 2521.00	$18.5M	$16.8M
QuicklimeHS 2522.10	$58.5M	$43.3M
Slaked limeHS 2522.20	$23.1M	$6.8M
Hydraulic limeHS 2522.30	$387K	$656K
Cement clinkersHS 2523.10	$97.9M	$2.0M
White portland cement, whether or not artifically coloredHS 2523.21	$177.8M	$18.8M
Portland cement, except white portland cementHS 2523.29	$1.36B	$105.4M
Aluminous cementHS 2523.30	$46.3M	$18.6M
Hydraulic cements, not elsewhere specifiedHS 2523.90	$111.3M	$32.9M
Asbestos, excluding crocidoliteHS 2524.90	$150K	$90K
Crude mica and mica rifted into sheets or splittingsHS 2525.10	$842K	$108K
Mica powderHS 2525.20	$10.9M	$8.4M
Mica wasteHS 2525.30	$46K	$38K
Natural steatite and talc, not crushed, not powderedHS 2526.10	$14.2M	$7.7M
Natural steatite and talc, crushed or powderedHS 2526.20	$63.5M	$94.1M
Natural borates & concentrates thereof, not including borates separated from natural brine; natural boric acid containing lt=85% h3bo3 calc on dry weightHS 2528.00	$22.2M	$3.1M
FeldsparHS 2529.10	$5.0M	$1.3M
Fluorspar, containing by weight 97% or less of calcium fluorideHS 2529.21	$8.3M	$2.1M
Fluorspar, containing by weight more than 97% of calcium fluorideHS 2529.22	$202.1M	$1.8M
Leucite; nepheline and nepheline syeniteHS 2529.30	$101.1M	$3.4M
Vermiculite, perlite and chlorites, unexpandedHS 2530.10	$27.8M	$8.3M
Kieserite, epsom salts (natural magnesium sulfates)HS 2530.20	$1.7M	$370K
Mineral substances, not elsewhere specifiedHS 2530.90	$89.7M	$141.0M