Home > Heat Shrink > High Temperature Heat Shrink Tubing > PTFE Heat Shrinkable Tubing > PTFE Resin Material Properties
| ROPERTY |
ASTM |
TYPICAL VALUE |
| Tensile Strength |
D1708 |
2,500-4,000 psi |
| Specific Gravity |
D792 |
2.13-2.24 |
| Coefficient
of Friction |
Dynamic
(<10 ft/min) |
0.1 |
| Compressive Strength |
D695 |
3500 psi |
| Impact Strength at
73°F |
D256 |
3.5 ft-lb/in |
| Flexural Modulus at
73°F |
D790 |
27000 psi |
| Tensile Modulus |
D638 |
80000 psi |
| Hardness-Durometer |
D2240 |
D-50-65 |
| Elongation |
D1708 |
200-400 % |
| Longitudinal Change |
. |
20% |
| Flexural Strength |
D790 |
No Break (psi) |
| Water Absorption |
D570 |
<0.01 % |
Deformation Under Load
(73°F, 1000 PSI, 24 Hrs) |
D621 |
3.5 |
Linear Coefficient
of Expansion
(70-212°F)
(212-300°F)
(300-408°F) |
D696 |
7.5x10-5 in/in/°F
8.5x10-5 in/in/°F
10.5x10-5 in/in/°F |
| Flex Life (MIT) |
|
>1,000,000 |
| Creep Resistance (lbs/Sq. In.) |
D674 |
. |
Dielectric Strength
(ShortTerm)
10Mil Film |
D149 |
>1,400 V/Mil |
| Volume Resistivity |
D257 |
>1018 ohm-cm |
| Surface Resistivity |
D257 |
>1018 ohm/Sq |
Continuous Service Temperature |
|
-88° F G22(-67° C) to +482° F (+250°C) |
Melting Point |
DTA |
635-650° F |
| Thermal Conductivity |
C-177 |
1.7 BTU/hr/ft2/°F.in |
| Heat of Fusion |
|
29-37 BTU/lb |
| Specific Heat (Cal/g/°C) |
C-177 |
|
25°C
100°C
200°C
275°C |
. |
0.23
0.25
0.27
0.29 |
| Low Temperature
Embrittlement |
. |
. |
Deflection Temperature
66 PSI
264 PSI |
. |
252° F
131° F |
| Heat of Combustion |
|
2.200 BTU/lb |
| Flammability Rating |
UL 94 |
V0 |
| Refractive Index |
D542 |
1.35 |
| Limiting Oxygen Index |
. |
>95 |
|
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