Curium-244 Oxide Powder from China
Curium-244 oxide is a powdered ceramic compound of the transuranic radioactive isotope Curium-244, utilized in research for space power systems and nuclear batteries. Classified under HTS 2844.42.00.00 due to explicit inclusion of Curium-244 compounds and its ceramic product form. It exhibits high specific radioactivity exceeding regulatory thresholds.
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
• Secure DOE authorization under 10 CFR Part 810 for transuranic materials; provide isotope purity certificates
• Use UN-approved Type B(U) containers with impact/shield testing documentation; declare activity levels precisely