High-Purity PTFE Granules from Mexico
Pharmaceutical-grade polytetrafluoroethylene granules with ultra-high purity (>99.9% PTFE), used in medical device molding. Falls under HTS 3904.61.00 per strict 95% monomer content rule for named polymers.
Duty Rate — Mexico → United States
5.8%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Include USP Class VI or ISO 10993 biocompatibility certificates for CBP review
• Test for extractables to confirm purity and prevent reclass to mixtures