Galvanizing Flux Ammonium Chloride Powder from Mexico
Fine powder ammonium chloride used as a flux in hot-dip galvanizing to clean steel surfaces before zinc coating. Classified under HTS 2827.10.00.00 for its role as a pure chloride activator in metal processing.
Duty Rate — Mexico → United States
12.9%
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 technical data sheet confirming flux activation properties; ensure ventilation warnings on MSDS for NH3 release
• Test for free ammonia to comply with purity specs