Industrial Zinc Dust for Chemical Synthesis from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, 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