Tungsten Nitride Ammonia Synthesis Catalyst from China
Tungsten nitride (W2N) is a catalytic phase for high-pressure ammonia synthesis, offering an alternative to the Haber-Bosch process. This inorganic nitride acts as a reaction accelerator. It falls under tariff item 3815.90.00 for other catalytic preparations.
Duty Rate — China → Canada
0%
Import Tips
• Ensure the product is not classified as a separate nitride compound under Chapter 28
• Provide evidence of catalytic use in ammonia synthesis
• Verify any safety regulations for handling nitrides