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%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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