Flame Retardant Triammonium Phosphate from Canada
Specialty triammonium phosphate optimized for intumescent flame retardant coatings in construction materials. Strictly HTS 2835.29.20.00 as pure chemically defined triammonium phosphate. Used where char formation is needed upon heating.
Duty Rate — Canada → United States
11.5%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include flame test performance data if claiming specific properties; aids in valuation disputes
• Comply with TSCA import requirements for new chemical substances in flame retardants
• Bulk imports over 1000kg may need EPA pre-manufacture notice if novel use