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3904.61.00/PTFE Aerospace Grade Resin/Mexico

PTFE Aerospace Grade Resin from Mexico

Polytetrafluoroethylene meeting aerospace specifications (AMS 3660) for seals and bearings. HTS 3904.61.00 classification as specification-grade pure PTFE polymer.

Duty Rate — Mexico → United States

15.8%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Include AMS 3660/3661 certification and lot traceability

• Declare tensile strength/elongation per aerospace specs