Industrial Zinc Dust for Chemical Synthesis from Mexico
High-grade zinc dust with 90%+ metallic content and fine particle distribution (<63 microns), employed as a reducing agent in organic synthesis reactions. Classified under 7903.90.60.00 per precise chapter definitions.
Duty Rate — Mexico → United States
13%
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
• Provide assay certificates confirming ≥85% zinc and vapor origin to CBP upon entry
• Use nitrogen-purged packaging to maintain reactivity during long-haul shipping
• Monitor for Section 301 tariffs if originating from China