GTLS Tritium Keychain Light from Mexico
Glass tube tritium light source (GTLS) in keychain form providing constant green glow for 10+ years. Falls under HTS 2844.41.00.00 as a dispersion containing tritium gas with glass phosphor. Consumer product leveraging tritium's beta decay for illumination.
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
• Exempt from some CPSC labeling if <100 microcuries; declare as 'exempt radioactive material'; avoid air shipment without special authorization