New

Ask Wove anything about tariffs.

Try Tariff Assistant

Curium-244 Isotope Alloy from China

Curium-244 alloyed with carrier metals for research reactor targets, classified as an alloy containing radioactive isotopes under 2844.43.0028 per note 4(d). High specific radioactivity qualifies it for this heading.

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 fundamental nuclear material license from NRC; certify as 'special form' per IAEA SSR-6; provide decay chain analysis for transportation index calculation