Granular Polytetrafluoroethylene (PTFE) Resin from Mexico
Pure granular PTFE resin, consisting of polytetrafluoroethylene polymer with monomer units contributing over 95% by weight, used as a base material for molding high-performance parts. Classified under HTS 3904.61.00.10 as granular PTFE in primary form, not chemically modified or blended beyond the polymer series criteria. Ideal for compression molding into bearings, seals, and valve components.
Duty Rate — Mexico → United States
15.8%
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
• Verify polymer composition certificate showing PTFE monomer >95% to confirm classification; declare as primary form granules, not processed articles
• Common pitfall: misclassifying as filled if no additives exceed trace levels
• Ensure statistical note 1 reporting for granular form