Features | Benefits |
---|---|
Fold Endurance > 600,000 Cycles | Outstanding flex life and stress crack resistance |
Very low surface energy | Outstanding anti-stick release properties |
Chemically inert and UV stable | Excellent chemical resistivity and weatherability in extreme environments |
Superior Dielectric Strength | Excellent electrical insulation properties |
Functional Temperature Range from -254°C (-425°F) to 260 | Suitable for Cryogenic and High temperature applications |
Available with C-Treatment | Provides Cementable surface on one or both sides of the film |
CHEMFILM®PFA-WF Fluoropolymer Film Typical Properties*
Typical Properties | Test Method | Value | Units |
---|---|---|---|
General | |||
Specific Gravity | ASTM D-792 | 2.12-2.18 | |
Yield (1 mil) | 18(90) | m2/kg (ft2/lb) | |
Water Absorption, 24 hr. | <0.01 | % | |
Mechanical | |||
Tensile Strength @ Break (RT) | ASTM D-882 | 21(2250) | MPa (psi) |
Elongation @ Break (RT) | ASTM D-882 | 300 | % |
Tensile Modulus (RT) | ASTM D-882 | 480(70000) | MPa (psi) |
Initial Tear Strength, 2mil | ASTM D-1004 | 4.9-5.3(1.1-1.2) | N(lbf) |
Propagation Tear Strength, 2 mil | ASTM D-1922 | 2.4-2.7 (0.55-0.60) | N(lbf) |
Fold Endurance (M.I.T) | ASTM D-2176 | >600000 | cycles |
Electrical | |||
Dielectric Strength, 1 mil | ASTM D-149 | 185(4700) | kV/mm (V/mil) |
Dielectric Constant, 1 kHz | ASTM D-150 | 2.1 | |
Dissipation Factor, 1 kHz | ASTM D-150 | 0.0005 | |
Thermal | |||
Melt Point | ASTM D-3418 | 302-310(575-590) | C (F) |
Continuous Service Temperature | 260 (500) | C (F) | |
Specific Heat | 1172(.28) | J/(kg· oK) (BTU/(lb·oF)) | |
Coefficient of Thermal Conductivity | ASTM D-2863 | 0.195(1.35)(1.65) | W/(m· oK) BTU·in/(hr·ft2·oF) |
Coefficient of Linear Thermal | ASTM D-696 | 9.9x10-5(5.5x10-5) | Mm/(mm·°C) (in/(in·°F)) |
Expansion | |||
Flammability | UL-94 | V-0 | |
Limiting Oxygen Index | ASTM D-2863 | 95 | % |
*Represent typical performance properties and should not be used for specification purposes. Contact your Saint-Gobain Performance Plastics representative for more information