| About |
|---|
| Exac PTFE (EXTRUDED) is a Polytetrafluoroethylene (PTFE) product. It is available in North America. Applications of Exac PTFE (EXTRUDED) include aerospace, engineering/industrial parts, electrical/electronic applications, military applications and automotive. Characteristics include: Flame Rated Chemical Resistant Heat Resistant Weather Resistant&& |
| Product Description | |
|---|---|
| Supplier | Saint Gobain |
| Generic | PTFE |
| Material Status | Commercial: Active |
| Features | Weather resistance is good,Low coefficient of friction,Machinable,Self-lubricating,Solvent resistance,Heat Stabilized,V-0 |
| Availabilitys | North America |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 2.16 | g/cm³ | ASTM D792 |
| Water absorption rate | |||
| 24hr | 0.010 | % | ASTM D570 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 24℃ | 160 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | ASTM D648 | ||
| 0.45 MPa, unannealed | 121 | ℃ | ASTM D648 |
| 1.8 MPa, unannealed | 55.6 | ℃ | ASTM D648 |
| Continuous use temperature | 260 | ℃ | ASTM D794 |
| Embrittlement temperature | -268 | ℃ | ASTM D746 |
| Linear coefficient of thermal expansion | |||
| MD | 9.9E-5 | 1/℃ | ASTM D696 |
| Thermal conductivity coefficient | 0.25 | W/m/K | ASTM C177 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | 1.0E+18 | ohms | ASTM D257 |
| Volume resistivity | 1.0E+18 | ohms·cm | ASTM D257 |
| Dielectric strength | 19 | kV/mm | ASTM D149 |
| Dielectric constant | ASTM D150 | ||
| 60 Hz | 2.10 | ASTM D150 | |
| 1 MHz | 2.10 | ASTM D150 | |
| Dissipation factor | ASTM D150 | ||
| 60 Hz | 2.0E-4 | ASTM D150 | |
| 1 MHz | 2.0E-4 | ASTM D150 | |
| Arc resistance | 300 | sec | ASTM D495 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | V-0 | UL 94 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s D | 58 | ASTM D2240 | |
| Tensile modulus | 552 | MPa | ASTM D638 |
| tensile strength | |||
| yield | 19.0 | MPa | ASTM D638 |
| Tensile strain | |||
| yield | 200 | % | ASTM D638 |
| Bending modulus | 621 | MPa | ASTM D790 |
| compressive strength | 11.7 | MPa | ASTM D695 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
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