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Fetching tariff lines, duty rates and related codes.
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Fetching tariff lines, duty rates and related codes.
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General (MFN)
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Special / FTA
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Column 2
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Rate shown is General (Column 1) MFN from the 2026_rev10. Additional duties may apply, including Section 301 duties on Chinese-origin goods and Section 232 duties on metals and autos. (The 10% Section 122 surcharge expired July 24, 2026.) Last reviewed: 2026_rev10.
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Fluorine, chlorine, bromine and iodine:
Sulfur, sublimed or precipitated; colloidal sulfur
Carbon (carbon blacks and other forms of carbon not elsewhere specified or included)
Hydrogen, rare gases and other nonmetals:
Alkali or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury:
Hydrogen chloride (Hydrochloric acid); chlorosulfuric acid:
Sulfuric acid; oleum
Nitric acid; sulfonitric acids
Download the full Chapter 28 duty table
Every tariff line in this chapter — HTS number, description, MFN, special & Column 2 rates — as a CSV.
Heading 2836 covers Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate:. Subcodes further classify products by material, use, or form — see the subcodes list below.
Duty rates are not set at the 4-digit heading level. Drill down to the 8 or 10-digit tariff line that matches your product.
No — the Section 122 global surcharge expired at 12:01 a.m. EDT on July 24, 2026 (the 150-day statutory cap) and is not collected on entries on or after that date. Entries before July 24, 2026 paid the 10% on top of the base MFN rate. Use our Tariff Impact Calculator to see the current total rate for your product.
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