FEP (Fluorinated Ethylene Propylene) Detailed Properties
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[Silicone] [Viton™] [EPDM] [FEP] [PFA]
The table below lists a generally accepted
summary of properties that we believe to be reliable. Please
note that many of these
resins are produced in several varieties and property characteristics
may vary. Therefore, determination of resin is dependent on
the application and this table is only meant to serve as a
general guideline.
| FEP 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,°C/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 |
Design Recommendation Disclaimer:
Recommendations on application design and material selection are based upon available technical data and are offered as suggestions only. Each user should conduct evaluations to determine the suitability for his particular application. ROW, Inc. offers no express or implied warranties concerning the form, fit, or function of a product in any application.
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