Technical Grade Ammonium Perrhenate 99.5% Re from Mexico
Technical-grade ammonium perrhenate (99.5% Re) is used in petroleum reforming catalysts and alloy production. It is a separate chemically defined compound under Chapter 28, falling under the 'Other' tariff item for salts of peroxometallic acids.
Duty Rate — Mexico → Canada
0%
Import Tips
• Declare the product as ammonium perrhenate with the formula NH4ReO4
• Ensure the product is not mixed with other substances
• If used as a catalyst, verify if heading 38.15 applies