Nanopowder Cobalt Oxide from United States
Nanopowder cobalt oxide (Co3O4) with particles under 100nm is used for supercapacitors and sensors. It is a chemically defined cobalt oxide, meeting Chapter 28's criteria. The tariff item covers cobalt oxides regardless of particle size, and the chapter notes do not exclude nanomaterials.
Duty Rate — United States → Canada
0%
Import Tips
• Provide a certificate of analysis confirming the chemical composition and particle size distribution
• If the product is for electronics, declare the end use
• Ensure proper handling documentation for nanomaterials is available for CBSA inspection