Tandom · Duty calculator
Add country and invoice value for the full duty stack — base + 301 + 232 + AD/CVD + fees.
HTS 3102.40.00.00 is the U.S. Harmonized Tariff Schedule classification for Mixtures of ammonium nitrate with calcium carbonate or other inorganic nonfertilizing substances. It's a 10-digit statistical line in Chapter 31: Fertilizers, Section VI: Products of the Chemical or Allied Industries, used by U.S. Customs and Border Protection to determine the duty rate at entry. No Chapter 99 tariff modifications (Section 301, Section 232, IEEPA) or AD/CVD orders currently flag this code in Tandom's catalog.
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HTS 3102.40.00.00 is the U.S. Harmonized Tariff Schedule classification for Mixtures of ammonium nitrate with calcium carbonate or other inorganic nonfertilizing substances. It belongs to Chapter 31 of the HTSUS.
The general (Column 1) duty rate for HTS 3102.40.00.00 is Free. This is the most-favored-nation (MFN) rate that applies to imports from World Trade Organization member countries.
No active Chapter 99 tariff overlays (Section 301, Section 232, IEEPA reciprocal, etc.) currently flag HTS 3102.40.00.00 in Tandom's catalog. Use the calculator's date + origin inputs to confirm against any retroactive overlay you may be filing.
No active AD/CVD orders currently flag HTS 3102.40.00.00 in Tandom's catalog. Tandom monitors Federal Register notices daily; a flag will appear here within 24h of any new order's publication.
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