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3815.90.00/Tungsten Nitride Ammonia Synthesis Catalyst/Japan

Tungsten Nitride Ammonia Synthesis Catalyst from Japan

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 — Japan → Canada

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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

Tungsten Nitride Ammonia Synthesis Catalyst from Japan — Import Duty Rate | Tariff item 3815.90.00