Like FEP, PFA (Perfluoroalkoxy) nonstick
coatings melt and flow during baking to
provide non-porous films. PFA offers the
additional benefits of higher continuous
use temperature (260°C/500°F), film
thicknesses up to 1,000 micrometers
(40 mils) and greater toughness than
PTFE or FEP. This combination of
properties makes PFA an excellent
choice for a wide variety of uses,
especially those involving chemical
resistance. PFA is available in both
water-based liquid and powder forms.