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Harmonized Tariff Schedule (2025 HTS Revision 12 (05/13/2025))

Search Key:calcium carbonate

Heading Duty(general) Duty(china) Article Description Compare Code
2836.50.00.00 Free The duty provided in the applicable subheading + 25% Calcium carbonate --
3102.40.00.00 Free The duty provided in the applicable subheading + 25% Mixtures of ammonium nitrate with calcium carbonate or other inorganic nonfertilizing substances vs-2836500000
9902.08.98 Free Resin cement based on calcium carbonate and silicone resins (CAS Nos. 471-34-1 and 68037-83-2) (provided for in subheading 3214.10.00) vs-3102400000
9902.10.47 Free Mixtures of barium carbonate (CAS No. 513-77-9), strontium carbonate (CAS No. 1633-05-2), calcium carbonate (CAS No. 471-34-1), and 1-methoxy-2-propanyl acetate (CAS No. 108-65-6), of a kind for use as emitter suspension cathode coating (provided for in subheading 3824.90.92) vs-99020898
2510 Natural calcium phosphates, natural aluminum calcium phosphates and phosphatic chalk: vs-99021047
2511 Natural barium sulfate (barytes); natural barium carbonate (witherite), whether or not calcined, other than barium oxide of heading 2816: vs-2510
2519 Natural 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: vs-2511
2520 Gypsum; anhydrite; plasters (consisting of calcined gypsum or calcium sulfate) whether or not colored, with or without small quantities of accelerators or retarders: vs-2519
2522 Quicklime, slaked lime and hydraulic lime, other than calcium oxide and hydroxide of heading 2825: vs-2520
2528.00.00.10 Free The duty provided in the applicable subheading + 25% Natural calcium borates vs-2522
2529.21.00.00 Free Containing by weight 97 percent or less of calcium fluoride vs-2528000010
2805.12.00.00 3% The duty provided in the applicable subheading + 25% Calcium vs-2529210000
2827.20.00.00 Free The duty provided in the applicable subheading + 25% Calcium chloride
Other chlorides:
vs-2805120000
2828 Hypochlorites; commercial calcium hypochlorite; chlorites; hypobromites: vs-2827200000
2834.29.10.00 Free The duty provided in the applicable subheading + 25% Of calcium vs-2828
2835.25.00.00 Free The duty provided in the applicable subheading + 25% Calcium hydrogenorthophosphate ("Dicalcium phosphate") vs-2834291000
2836 Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate: vs-2835250000
2837.19.01.15 Free The duty provided in the applicable subheading + 7.5% Calcium cyanide vs-2836
2841.80.00.20 5.5% Of calcium vs-2837190115
2846.90.80 3.7% Other
Mixtures of rare-earth carbonates other than of cerium carbonate:
vs-2841800020