PCTFE
PCTFE (polychlorotrifluoroethylene) [Neoflon®]
Properties
- Fluorocarbon-based polymer
- Compressive strength
- Low deformation under load
- Nonflammable
- High optical transparency
- Low gas permeability
Common uses
- Super-cold refrigeration components
- Aerospace and flight applications
- Valves
- Seals
- Compressors and pumps
- Films
- Gaskets
- Bearings
- Stock shapes for machining components
PCTFE
Material Specifications
| ASTM or UL test | Property | Value |
Physical |
||
| D792 | Density (lb/in3)/(g/cm3) | 0.077 (1.31) |
| D570 | Water absorption, 24 hrs (%) | 2.13 |
Mechanical |
||
| D638 | Tensile strength (psi) | 5,300 |
| D638 | Tensile elongation at break (%) | 150 |
| D638 | Tensile modulus (psi) | 207,000 |
| D790 | Flexural strength (psi) | 8,500 |
| D790 | Flexural modulus (psi) | 180,000 |
| D695 | Compressive strength (psi) | 5,500 |
| D695 | Compressive modulus (psi) | 180,000 |
| D785 | Hardness, Shore | D90 |
| D256 | Izod notched impact (ft-lb/in) | 5.0 |
Thermal |
||
| D3418 | Melting temp (F°/C°) | 415/212 |
| D696 | Coefficient of linear thermal expansion (x 10–5 in./in./°F) |
7.0 |
| D648 | Heat deflection temp (F°/C°) at 264 psi | 258/126 |
| - | Max operating temp (F°/C°) | 270/132 |
| C177 | Thermal conductivity (BTU-in/ft²-hr-°F) |
1.45 |
| UL94 | Flammability rating | V-O |
Electrical |
||
| D150 | Dielectric constant at 1 MHz | - |
| D150 | Dissipation factor at 1 MHz | - |
| D149 | Dielectric strength (V/mil) short time, ⅛” thick |
500 |
| D257 | Volume resistivity (ohm/cm) at 50% RH | 1018 |
These are typical values for reference and comparison only. They should not be used as a basis for design specifications or quality control. Contact us for the manufacturers’ complete material property datasheets. All values were taken at 73°F (23°C) unless otherwise noted.
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