Ammonium Stearate from Mexico
Ammonium stearate is an amine salt of stearic acid used as a fabric softener intermediate and concrete release agent. It falls under HTS 2915.70.0150 as 'other' stearic acid salts.
Duty Rate — Mexico → United States
15%
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
• Declare ammonia content and pH for aqueous paste forms
• Provide thermal decomposition data for processing safety
• Ensure proper ventilation labeling for amine emissions