NOW FOR USA HTS Harmonized Tariff Schedule (2025 Basic Edition)
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Harmonized Tariff Schedule (2025 Basic Edition)

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Heading Duty(general) Duty(china) Article Description Compare Code
2620.60 Containing arsenic, mercury, thallium or their mixtures, of a kind used for the extraction of arsenic or those metalsor for the manufacture of their chemical compounds: --
2716.00.00.00 Free Electrical energy
I. CHEMICAL ELEMENTS
vs-262060
2844 Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products: vs-2716000000
2905.11.20.10 5.5% The duty provided in the applicable subheading + 25% Imported for use in chemical production, including production of aldehydes, plastics, olefins and resins vs-2844
2922.41.00.10 3.7% Meeting requirements of Food Chemical Codex, Codex Alimentarius or United States Pharmacopeia vs-2905112010
3006.60.00.00 Free Chemical contraceptive preparations based on hormones, on other products of heading 2937 or on spermicides vs-2922410010
3101.00.00.00 Free The duty provided in the applicable subheading + 25% Animal or vegetable fertilizers, whether or not mixed together or chemically treated; fertilizers produced by the mixing or chemical treatment of animal or vegetable products vs-3006600000
3102 Mineral or chemical fertilizers, nitrogenous: vs-3101000000
3103 Mineral or chemical fertilizers, phosphatic:
Superphosphates:
vs-3102
3104 Mineral or chemical fertilizers, potassic: vs-3103
3105 Mineral or chemical fertilizers containing two or three of the fertilizing elements nitrogen, phosphorus and potassium; other fertilizers; goods of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kg: vs-3104
3707 Chemical preparations for photographic uses (other than varnishes, glues, adhesives and similar preparations); unmixed products for photographic uses, put up in measured portions or put up for retail sale in a form ready for use: vs-3105
3818.00.00 Free The duty provided in the applicable subheading + 25% Chemical elements doped for use in electronics, in the form of discs, wafers or similar forms; chemical compounds doped for use in electronics vs-3707
3824 Prepared binders for foundry molds or cores; chemical products and preparations of the chemical or allied industries (including those consisting of mixtures of natural products), not elsewhere specified or included: vs-38180000
3825 Residual products of the chemical or allied industries, not elsewhere specified or included; municipal waste; sewage sludge; other wastes specified in note 6 to this chapter: vs-3824
3912 Cellulose and its chemical derivatives, not elsewhere specified or included, in primary forms:
Cellulose acetates:
vs-3825
3913 Natural polymers (for example, alginic acid) and modified natural polymers (for example, hardened proteins, chemical derivatives of natural rubber), not elsewhere specified or included, in primary forms: vs-3912
3920.69.00.00 4.2% The duty provided in the applicable subheading + 25% Of other polyesters
Of cellulose or its chemical derivatives:
vs-3913
4702.00.00 Free The duty provided in the applicable subheading + 25% Chemical woodpulp, dissolving grades vs-3920690000
4703 Chemical woodpulp, soda or sulfate, other than dissolving grades:
Unbleached:
vs-47020000