Uranium-232 Metal Foil from China
Uranium-232 metal foil serves as calibration source for high-energy gamma spectroscopy due to intense daughter emissions. Pure metallic form of listed Uranium-232 classifies under HTS 2844.42.00.00. Thin foil encapsulation standard.
Duty Rate — China → United States
35%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 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
• Metrology lab certification preferred; provide emission line verification
• Foil handling requires thoriated daughter management protocols
• Specify encapsulation matrix; avoid vacuum packaging errors