Catalyst Activation Zinc Dust from Mexico
Reactive zinc dust for activating hydrogenation catalysts in pharma/chemical synthesis, vapor-condensed <10μm spheres, 96% metallic Zn meeting all 7903.10.00.00 sieve/purity notes.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Hydrogen evolution rate tests validate activity
• Glovebox handling protocols documented
• EPA TSCA new use notification if novel