Ytterbium-169 Industrial Source from China
Ytterbium-169 brachytherapy and industrial radiography sources with low-energy gammas. Classified under HTS 2844.43.00.21 as listed rare earth radioisotope. Chapter note confirms lanthanide isotope coverage.
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
• Short 32-day half-life demands just-in-time import scheduling with activity certificates
• Preferred seed form requires NRC sealed source registration number on manifests
• Bremsstrahlung shielding specifications mandatory for transport documentation