Galvanizing Flux Ammonium Chloride Powder from Japan
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 — 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 technical data sheet confirming flux activation properties; ensure ventilation warnings on MSDS for NH3 release
• Test for free ammonia to comply with purity specs