Uranium-232 Metal Foil from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 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