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
9903.91.0125%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
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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