Didecylmethylammonium Perfluorooctane Sulfonate Flakes from Canada
Flake form of this specific quaternary ammonium perfluorosulfonate for easier handling. Classified precisely under HTS 2923.40.00.00 as the named compound per subheading description. Employed in high-performance coating formulations.
Duty Rate — Canada → United States
16.2%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Specify physical form (flakes) in entry docs but emphasize chemical identity for HTS match
• Use heat-stabilized drums for import; melting point considerations prevent damage claims
• Verify no color/odor additions per note (g) that imply specific use