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Uranium-235 Enriched Isotope from China

Uranium-235 is a fissile isotope used in nuclear reactors and weapons, classified under HTS 2844.43.0028 as a radioactive isotope other than those in subheadings 2844.10, 2844.20, or 2844.30. It meets the definition of artificially modified isotopic mixtures with specific radioactivity exceeding natural levels.

Duty Rate — China → United States

37.5%

Rate breakdown

9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.91.0125%Effective with respect to entries on or after September 27, 2024, articles the product of China, as provided for in subdivision (b) of U.S. note 31 to this subchapter

Import Tips

• Obtain NRC and DOE licenses prior to import; ensure IAEA safeguards agreement compliance; verify specific radioactivity >74 Bq/g with certified lab documentation to avoid reclassification