Research-Grade Krypton from China
Research-grade krypton with ultra-high purity (>99.999%) for spectroscopy and particle physics experiments is a chemically defined rare gas under heading 28.04. It meets Chapter 28 Note 1(a) as a separate element, with no added substances, and is not doped for electronics per Chapter 28 Note 8.
Duty Rate — China → Canada
0%
Import Tips
• Document the purity level (>99.999%) with a certificate of analysis
• Ensure the gas is not mixed with other gases; pure krypton is required for classification
• For research use, consider if any end-use certificates are needed for duty relief