Perfluoroethylene-vinylidene fluoride copolymer
CAS 25684-76-8
Ethene, 1,1,2,2-tetrafluoro-, polymer with 1,1-difluoroethene
EPA and Census publish no US supply data for this chemical.
EPA exempts this chemical from its production survey.
Why supply is unknownWhere It Comes From
Customs basis: HS 390469 · basket
EPA and Census publish no US supply data for this chemical.
HS customs code 390469 covers 13 tracked chemicals in total. US Census does not break out this chemical's share, so the country-of-origin mix is not available. EPA CDR reports import dependency at the chemical level separately, shown above.
Why It Matters
No EPA sector or FDA product records name a use for this chemical.
Chemical Identity
Data Sources
- EPA TSCA InventoryRetrieved 2026-10-04
Brief citations
Perfluoroethylene-vinylidene fluoride copolymer (CAS 25684-76-8) https://chemicalindependence.com/chemical/25684-76-8/ EPA TSCA Inventory: CAS 25684-76-8. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory