Comparative Typical Property DataDuPont™ Teflon® NXT versus Conventional PTFE
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Comparative Typical Property Data DuPont™ Teflon® NXT versus Conventional PTFE |
Data should be used only as a guide in selecting the appropriate compound.
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| Property | Test Method | Unit | Teflon® NXT | Conventional PTFE |
| Tensile Strength | ASTM D4894 | MPa (psi) | 31 (4,500) | 34 (5,000) |
| Elongation at Break | ASTM D4894 | % | 450 | 375 |
| Specific Gravity | ASTM D4894 | – | 2.17 | 2.16 |
| Deformation Under Load (Creep), 23°C (73°F) | ASTM D695 | % | – | – |
| 3.4 MPa (500 psi) | – | – | 0.2 | 0.7 |
| 6.9 MPa (1,000 psi) | – | – | 0.4 | 1.0 |
| 13.8 MPa (2,000 psi) | – | – | 3.2 | 8.2 |
| Deformation Under Load (Creep) - DMA |
ASTM D695 | % | – | – |
| 6.9 MPa (1000 psi) at 25°C (77°F) |
– | – | 5.3 | 6.7 |
| 3.4 MPa (500 psi) at 100°C (212°F) |
– | – | 5.4 | 8.5 |
| 1.4 MPa (200 psi) at 200°C (392°F) |
– | – | 3.6 | 6.4 |
| Void Content of Typical Parts | FTIR-Infrared Spectroscopy | % | Compression Molded: *0 - 0.5 |
Compression Molded: *0 - 1.5 |
| Dielectric Strength, 76.2 µm (0.003 in) Film |
ASTM D149 | kV/mm (V/0.001 in) | 208 (5,200) | 140 (3,500) |
| Weld Strength, (Specimens welded after sintering) |
ASTM D4894 | % | 66 - 87 | – |
Note: Typical properties are not suitable for specification purposes. Properties will vary based upon processing technique & material lot. Data should be used only as a guide in selecting the appropriate compound. Actual performance will be affected by processing methods as well as end use service conditions. Evaluation of any compound under end-use specifications is essential to assure suitability & performance.* Depending on fabrication conditions |
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