Promethium-147 Beta Source Disks from United States
Promethium-147 (atomic number 61) oxide ceramic disks for beta thickness gauging in manufacturing. Promethium is explicitly covered by Chapter 28 Note 6(a), and these disks are classified under tariff item 2844.43.00 as radioactive elements or compounds other than those of subheadings 2844.10, 2844.20, or 2844.30.
Duty Rate — United States → Canada
0%
Import Tips
• Secure a CNSC import permit for promethium-147, a controlled radioactive isotope
• Provide the disk's activity and ceramic composition details
• Ensure the disks are shipped in approved packaging for beta-emitting sources