Battery Grade Ammonium Persulfate from Mexico
Battery grade ammonium persulfate used in lithium-ion battery electrode preparation and conductive polymer synthesis. As a chemically defined ammonium peroxosulphate with low metal impurities, it is classified under tariff item 2833.40.00, which covers peroxosulphates (persulphates).
Duty Rate — Mexico → Canada
0%
Import Tips
• For battery-grade material, be prepared to provide a Certificate of Analysis to demonstrate low metal impurities
• The CBSA may verify the product is not doped for electronics use, which could change classification
• No special permits are needed