| Typical Value* | ||||||||||||||||
| Property | Test Method | SI Units | Inch-Pound Units | |||||||||||||
| MECHANICAL Tensile Strength at break Elongation at break Yield Point Elastic Modulus Impact Resistance Folding Endurance (MIT) Tear Strength - Initial (Graves) Tear Strength - Propagating (Elmendorf) |
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|
ASTM
D-882 ASTM D-882 ASTM D-882 ASTM D-882 DuPont pneumatic impact tester ASTM D-2176 ASTM D-1004 ASTM D-1992 |
21 N/mm2 300% 12 MPa 480 MPa 6.2 x 104 100,000 cycles 4.90 N 0.74 N |
3000
psi 300% 1700 psi 70000 psi 14 in-lb/mil 100,000 cycles 500 grams 75 grams |
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| THERMAL Melt Point Thermal Conductivity Specific Heat Dimensional Stability Oxygen Index |
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|
ASTM
D-3418 (DTA) Cenco-Fitch _ 30 min @ 150°C (302°F) ASTM D-2863 |
302°-310°C 0.195 W/(m - K) 1172 J/(kg - K) MD=1% shrinkage TD=1% shrinkage 95% |
575°-590°F 1.35 Btu - in/(h - ft2 - °F) 0.28 Btu/lb - °F) MD=1% shrinkage TD= 1% shrinkage 95% |
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| ELECTRICAL Dielectric Strength, short-time, in air @ 23°C (73°F), 6.35 mm (1/4 inch) diameter electrode, 0.79 mm (1/32 inch) radius, 60 Hz, 500 V/s rate of rise: 0.025 mm (1 mil) film Dielectric Constant 25°C (77°F), 100 Hz to 1 MHz Dissipation Factor, 25°C (77°F), 100 Hz to 1MHz Volume Resistivity, -40° to 240°C (-40° to 464°F) |
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|
ASTM
D-149 Method A ASTM D-150 ASTM D-150 ASTM D-257 |
260
kV/mm 2.0 0.0002-0.0007 >1 X 1017 ohm - centimeter |
6500
V/mil 2.0 0.0002-0.0007 >1 x 1017 - centimeter |
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| Typical Value | ||||||||||||||||
| Property | Test Method | SI Units | Inch-Pound Units | |||||||||||||
|
CHEMICAL Moisture Absorbtion |
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| _ | <0.02% | |||||||||||||||
| Permeability, gas: | ASTM D-1434 | cm3/(m2 - 24h - atm)** | ||||||||||||||
| carbon dioxide | 14 x 103 | |||||||||||||||
| nitrogen | 2.0 x 103 | |||||||||||||||
| oxygen | 6.7 x 103 | |||||||||||||||
| Permeability, vapors: | ASTM E-96 | g/(m2 - d) | g/(100 in2 - 24 h) | |||||||||||||
| water | 2 | 0.13 | ||||||||||||||
| Teflon® Fluoropolymer is chemically inert and solvent resistant to virtually all chemicals except molten alkali metals, gaseous fluorine, and certain complex halogenated compounds, such as chlorine trifluoride at elevated temperatures and pressures. | ||||||||||||||||
| ASTM D-1505 | 2150 kg/m3 | 134 lb/ft3 | ||||||||||||||
| MISC. Density |
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| ASTM D-1894 | 0.1-0.3 | |||||||||||||||
|
Coefficient
of friction kinetic (film-to-steel) |
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| Refractive Index | ASTM D-542 | 1.350 | ||||||||||||||
| Solar Transmission | ASTM E-424 | 96% | ||||||||||||||
|
* For
0.050 mm (2 mil) film at 25°C (77°F) unless otherwise specified. ** To convert to cm3(100 in2 - 24h - atm) multiply by 0.0645. |
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