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SITCSection 5
U.S. imports of fluoropolymers, primary forms (SITC 57394) totaled $60.7M in April 2026, traded with 31 countries.
Importers of Fluoropolymers, Primary Forms paid $8.9M in duties in April 2026 — an effective duty rate of 15% on $57.7M in dutiable value, based on actual customs collections rather than the published tariff schedule. Fluoropolymers, Primary Forms imports of $60.7M in April 2026 ran 32% above the year-to-date monthly average of $46.0M.
Last updated: April 2026 dataFluoropolymers — including PTFE, PVDF, FEP, and ETFE grades — are high-performance engineering resins valued for chemical inertness, thermal stability, and low friction across semiconductor fabrication, aerospace wiring, and chemical processing equipment. The specific fluoropolymer type (homopolymer versus copolymer, and the fluorine-to-hydrogen ratio) governs both performance characteristics and HTS classification at the subheading level. Certain fluoropolymer grades are subject to evolving PFAS regulatory scrutiny, which trade professionals should monitor alongside tariff considerations.
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At the HTS level, fluoropolymers are typically subdivided by chemical structure: polytetrafluoroethylene (PTFE), polyvinylidene fluoride (PVDF), and fluorinated ethylene-propylene (FEP) copolymers each map to distinct subheadings. The importer must provide the chemical name and CAS number on the entry to support correct classification.
Fluoropolymers are under increasing regulatory scrutiny as part of broader PFAS (per- and polyfluoroalkyl substances) frameworks at both the federal and state level. While current US import regulations do not impose a blanket admissibility restriction on fluoropolymer resins, downstream use restrictions in certain states and evolving EPA rulemaking may affect product formulation and customer acceptance. Importers should track EPA PFAS regulatory developments alongside tariff compliance.
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Monthly import values over time