Molybdenum Trioxide Catalyst from China
Pure molybdenum trioxide (MoO3) used as a catalyst in petroleum refining processes like hydrodesulfurization. This inorganic compound falls under tariff item 3815.90.00 as a catalytic preparation consisting wholly of inorganic substances.
Duty Rate — China → 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 grade and use