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
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 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