|
| FEP Detailed Properties
(Fluorinated Ethylene Propylene) |
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|
Properties
|
ASTM or Unit
|
FEP
|
| MECHANICAL PROPERTIES |
| Specific Gravity | D792 |
2.15 |
| Elongation % | D638 |
250~330 |
| Tensile Strength (psi) |
D638 | 2,800~5,000 |
| Flexural Strength (psi) | D790 |
no break |
| Compressive Strength |
D695 |
2,200 |
Tensile Elastic Modulus
(Young's Modulus) (psi) |
D638 | 50,000 |
(psi)
Flexural Modulus
103MPa (103kgf/cm2) |
D790 | 78,000~
92,000 |
| D790 | 0.5-0.6
(5.5-6.5) |
Flex Life
(MIT cycles) |
D2176 |
5,000~
80,000 |
Hardness Durometer
Shore D |
D636 | D55 |
| Coefficient of Friction | on steel |
0.05 |
Abrasion Resistance
1000 revs. |
Taber | 14~20 |
Impact Strength IZOD
73°F/23°C, notched ft/lbs/in |
D256 |
no break |
| THERMAL PROPERTIES |
| Melting Point | °C
(°F) |
260
(500) |
Upper
Service
Temperature(20,000h) | °C
(°F) | 200
(392) |
| Flame Rating** |
UL 94 | V-0 |
Thermal Conductivity
|
BTU/hr/ft2/deg F in | 1.4 |
| cal/sec/cm2,ºC/cm | 6 x 10-4 |
| Linear Coefficient of Thermal Expansion 10-5 °C |
D696 |
8.3~10.5 |
| Heat of Fusion |
BTU/LB | 11 |
| Heat of Combustion |
BTU/LB | 2200 |
| Low Temperature Embrittlement |
°C
(°F) | -268
(-450) |
|
ELECTRICAL PROPERTIES |
| Dielectric Constant |
D150/103Hz | 2.1 |
| D150/106Hz | 2.1 |
Dielectric Strength
10 mil film |
D149 | >2000 |
| Volume Resistivity ohm-cm | D257 |
>1018 |
Surface Resistivity
ohm/sq. | D257 |
>1017 |
| GENERAL PROPERTIES |
Chemical/Solvent
Resistance | D543 |
Excellent |
| Water Absorption, 24h | % | <0.01 |
| Deformation Under Load |
*D621/100°C | 5.0 |
| **D621/25°C |
3.0 |
| Refractive Index | | 1.338 |
| Limiting Oxygen Index | >95 | >95 |
|
Properties
|
ASTM or Unit
|
FEP
|
|
*6.8 MPa (986 psi),24h
**13.7 MPa (1987 psi),24h
|
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