Cesium Metal Ampoules from United States
Cesium metal ampoules contain pure cesium sealed in glass to prevent reaction with air, used in atomic clocks and photoelectric cells. As an alkali metal, it is classified under tariff item 2805.19.00 as an 'other' alkali metal, not in solution or alloyed form.
Duty Rate — United States → Canada
0%
Import Tips
• Cesium is highly reactive and pyrophoric; ensure ampoules are intact and shipped in compliance with dangerous goods regulations
• Declare the product as an alkali metal under 2805.19.00
• Have documentation on the purity and intended use ready for CBSA