Technical Grade Ammonium Heptamolybdate from China
Technical grade ammonium heptamolybdate is used in petroleum refining catalysts. It is a chemically defined ammonium molybdate salt, falling under the molybdates tariff item.
Duty Rate — China → Canada
0%
Import Tips
• Specify the technical grade and intended use in catalysts on the invoice
• Ensure the product is not blended with other catalytic materials
• Maintain documentation of the product's chemical composition for customs verification