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MECHANICAL PROPERTIES |
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Specific Gravity |
D792 |
2.18 |
2.15 |
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Elongation % |
D638 |
200~450 |
250~330 |
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Tensile Strength (psi) |
D638 |
2,000~7,000 |
2,800~5,000 |
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Flexural Strength (psi) |
D790 |
no break |
no break |
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Compressive Strength
|
D695 |
3,500 |
2,200 |
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Tensile Elastic Modulus
(Young's Modulus) (psi) |
D638 |
57,000 |
50,000 |
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(psi)
Flexural Modulus |
D790 |
71,000~85,000 |
78,000~92,000 |
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103MPa (103kgf/cm2) |
D790 |
0.5-0.6 (5.0-6.0) |
0.5-0.6 (5.5-6.5) |
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Flex Life
(MIT cycles) |
D2176 |
>1,000,000 |
5,000~ 80,000 |
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Hardness Durometer
Shore D |
D636 |
D50~65 |
D55 |
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Coefficient of Friction |
on steel |
0.02 |
0.05 |
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Abrasion Resistance
1000 revs. |
Taber |
12 |
14~20 |
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Impact Strength IZOD
73°F/23°C, notched ft/lbs/in |
D256 |
3 |
no break |
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THERMAL PROPERTIES
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Melting Point ° |
C
(°F) |
327
(621) |
260
(500) |
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Upper Service
Temperature(20,000h) ° |
C
(°F) |
260
(500) |
200
(392) |
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Flame Rating** |
UL 94 |
V-0 |
V-0 |
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Thermal Conductivity
|
BTU/hr/ft2/deg F in |
1.7 |
1.4 |
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cal/sec/cm2,ºC/cm |
6 x 10-4 |
6 x 10-4 |
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Linea Coefficient of
Thermal Expansion 10-5 °C |
D696 |
>11.6 |
8.3~10.5 |
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Heat of Fusion |
BTU/LB |
29-37 |
11 |
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Heat of Combustion |
BTU/LB |
2200 |
2200 |
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Low Temperature Embrittlement |
°C
(°F) |
-268
(-450) |
-268
(-450) |
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ELECTRICAL PROPERTIES
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Dielectric Constant |
D150/103Hz |
2.1 |
2.1 |
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D150/106Hz |
2.1 |
2.1 |
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Dielectric Strength
10 mil film |
D149 |
>1400 |
>2000 |
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Volume Resistivity ohm-cm |
D257 |
>1018 |
>1018 |
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Surface Resistivity
ohm/sq. |
D257 |
>1017 |
>1017 |
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GENERAL PROPERTIES
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Chemical/Solvent
Resistance |
D543 |
Excellent |
Excellent |
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Water Absorption, 24h |
% |
<0.01 |
<0.01 |
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Deformation Under Load |
*D621/100°C |
5.0 |
5.0 |
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**D621/25°C |
7.0 |
3.0 |
Refractive Index |
|
1.35 |
1.338 |
Limiting Oxygen Index |
>95 |
>95 |
>95 |
Properties |
ASTM or Unit |
PTFE |
FEP |
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