Technical Grade Zinc Sulfate from Mexico
Technical grade zinc sulfate is used in industrial applications like rayon production, pigments, and flame retardants. It is a cost-effective sulfate of zinc classified under HTS 2833.29.45.00 when chemically defined. Lower purity suits non-pharma manufacturing.
Duty Rate — Mexico → United States
1.6%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Specify technical grade on invoice with typical assay (96-98% ZnSO4) to match statistical reporting
• Check REACH/TSCA equivalence for chemical notifications if >10,000 lbs/year imported