Cerium Oxide Polishing Catalyst from Mexico
Ceria nanoparticles catalyzing chemical mechanical planarization in semiconductor manufacturing. This inorganic reaction accelerator falls under tariff item 3815.90.00 as a catalytic preparation.
Duty Rate — Mexico → Canada
0%
Import Tips
• Confirm whether the product is a separate chemically defined compound; if so, it may be classified under Chapter 28
• Provide documentation showing its catalytic application