Vanadium Phosphate Catalyst from United States
Vanadium phosphorus oxide (VPO) catalyst is used in n-butane selective oxidation to maleic anhydride. This inorganic vanadium compound functions as a reaction accelerator, providing high selectivity. It is not a separate chemically defined element and qualifies for tariff item 3815.90.00.
Duty Rate — United States → Canada
0%
Import Tips
• Confirm the product is a catalytic preparation, not a pure phosphate compound
• Provide technical data on its selectivity
• Verify any restrictions on vanadium compounds in Canadian regulations