PTFE Aerospace Grade Resin from Canada
Polytetrafluoroethylene meeting aerospace specifications (AMS 3660) for seals and bearings. HTS 3904.61.00 classification as specification-grade pure PTFE polymer.
Duty Rate — Canada → United States
15.8%
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 AMS 3660/3661 certification and lot traceability
• Declare tensile strength/elongation per aerospace specs