Promethium-147 Beta Source Disks from Germany
Promethium-147 (atomic no. 61) oxide ceramic disks for beta thickness gauging in manufacturing, explicitly covered by heading 2844 note (a). Classified HTS 2844.43.00 as rare earth radioactive element.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Provide beta endpoint energy (225 keV) and specific activity documentation
• Include Sm-147 daughter identification for decay chain
• Rare earth classification per 2844 note distinguishes from other chapters