Among the fluoro-polymers PFA has excellent heat stability. Comparing to natural PTFE it has better creep resistance and mechanical properties. Welding is possible. PFA available in thin-walled tubes. Different colours are available.
Product properties
Color:
natural, translucent
Electrically insulator:
Yes
main area of use:
Excellent chemical resistance, Raised temperature applications
Printable materials
| Properties | Unit | Method | Value |
|---|---|---|---|
| Colour | |||
| Density | g/cm3 | ASTM D 792-00 | 2.17 |
| Flammability (UL94) | - | DIN IEC 60695-11-10 | V0 |
| Water absorption (23ºC) | % | ASTM D 570 | <0.03 |
| Volume resistivity | Ω*cm | ASTM D 257 | 1018 |
| Surface resistivity | Ω | ASTM D 257 | 1017 |
| Dielectric strength | kV/mm | ASTM D 149 | 80 |
| Dielectric constant (50-109 Hz) | - | ASTM D 150 | - |
| Dielectric dissipation factor | - | ASTM D 150 | - |
| Thermal conductivity | W/ (K.m) | ASTM C 177 | 0.19 |
| Melting point | ºC | ASTM D4591 | 305 |
| Max. allowable service temperature in air, short term | ºC | 260 | |
| Max. allowable service temperature in air, long term | ºC | 260 | |
| Min. allowable service temperature in air, long term | ºC | - 240 | |
| Specific heat (20ºC) | J/(g.K) | ASTM D4591 | 1.17 |
| Coefficient of linear thermal expansion (CLTE): 25 - 100ºC | m/(m.K)x10-5 | ASTM D 696 | 13 |
| Tensile strength | MPa | ASTM D 4894 | 18 |
| Shore D hardness | - | ASTM D 2240 | 55 |
| Elongation at break (23°C) | % | ASTM D 4894 | 300 |
| Elongation at break (250°C) | % | ASTM D 4894 | 500 |
(*) legend:
- A – applicable
- B – partially applicable
- C – not applicable
Tubes
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