Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
a. Polytetrafluoroethylene.
b. Tetrafluoroethylene-hexafluoropropylene copolymer.
c. Polytrifluoroethylene.
d. Polychlorotrifluoroethylene.
e. Poly-2,3,4,5,6-pentafluorostyrene.
f. Poly-α,β,β-trifluorostyrene.
