High-Purity PTFE Granules from China
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 — China → United States
43.3%
Rate breakdown
9903.88.0225%Except as provided in headings 9903.88.12, 9903.88.17, 9903.88.20, 9903.88.54, 9903.88.59, 9903.88.61, 9903.88.63, 9903.88.66, 9903.88.67, 9903.88.68, 9903.88.69, or 9903.88.70, articles the product of China, as provided for in U.S. note 20(c) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(d)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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