Ammonium Polyphosphate from Mexico
Ammonium polyphosphate is used as a flame retardant in plastics, textiles, and intumescent coatings due to its phosphorus content. Classified under HTS 2835.39.5000 as it represents polyphosphates of ammonium per Chapter 28 notes.
Duty Rate — Mexico → United States
13.7%
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
• Include REACH/TSCA registrations and flame retardant efficacy test results
• Declare phosphorus content accurately to avoid scrutiny under environmental regulations