High-Purity Cerium Oxide 99.999% (5N) from China
Ultra-high purity (5N) cerium oxide is used in semiconductor polishing slurries and optical coating deposition. It is classified under tariff item 2846.10.00 as a cerium compound, with impurities below 10 ppm, meeting the Chapter 28 definition of a separate chemically defined compound.
Duty Rate — China → Canada
0%
Import Tips
• Provide a certificate of analysis showing impurity levels below 10 ppm
• Ensure the product is not classified as a preparation of heading 38.24 if it is formulated for specific uses
• Keep records of the product's use in semiconductor applications for customs verification