Fluorosint® 500 Enhanced PTFE offers an ideal combination of stability and wear resistance for sealing applications where tight dimensional control is required. Fluorosint® 500 also greatly reduces the risk of catastrophic system failure by becoming a sacrificial wear surface. With a deformation under load 9 times lower than virgin PTFE, Fluorosint® 500 allows designers to greatly improve the efficiency of systems without sacrificing the wear resistance and forgiving benefits of PTFE.
Fluorosint® 500 PTFE has nine times greater resistance to deformation under load than unfilled PTFE. Its coefficient of linear thermal expansion approaches the expansion rate of aluminum, and is 1/5 that of virgin PTFE, often eliminating fit and clearance problems. It is 1/3 harder than virgin PTFE, has better wear characteristics and maintains low frictional properties. Fluorosint® 500 PTFE is also non-abrasive to most mating materials.
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Polytetrafluoroethylene
Available In
Sheet, Rod, Tube
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| Type | Size | Length | Color |
|---|---|---|---|
| Sheet | 6.35-76.20mm | Std sizes CTS | Light Tan, Gray |
| Rod | Dia. 12.70-222.25mm | Std sizes CTS | Light Tan, Gray |
| Tube | O.D. 31.75-304.80mm | Std sizes CTS | Light Tan, Gray |
Give us your cut-to-size dimensions. We will precision-cut these plastics to your exact size. Additional sizes and colors available upon request.
| Physical Properties | Units | ASTM | Results |
|---|---|---|---|
| Density | lb/in³ | D792 | 0.084 |
| Water Absorption, 24 hrs | % | D570 | 0.1 |
| Mechanical Properties | Units | ASTM | Results |
|---|---|---|---|
| Tensile Strength | psi | D638 | 1100 |
| Tensile Modulus | psi | D638 | 300000 |
| Tensile Elongation @Break | % | D638 | 10 |
| Flexural Strength | psi | D790 | 2200 |
| Flexural Modulus | psi | D790 | 500000 |
| Compressive Strength | psi | D695 | 4000 |
| Compressive Modulus | psi | D695 | 250000 |
| Hardness, Rockwell | D785 | R55 | |
| IZOD Impact Strength Notched | ft-lb/in | D256 | 0.9 |
| Thermal Properties | Units | ASTM | Results |
|---|---|---|---|
| Coeffcient of Linear Thermal Expansion | x 10^-5 in./in./°F | D256 | 2.5 |
| Heat Deflection Temp at 264 psi | °F | 270 | |
| Melting Temperature | °F | D3418 | 621 |
| Max Operating Temp. | °F | 500 |
| Electrical Properties | Units | ASTM | Results |
|---|---|---|---|
| Dielectric Strength. 1/8″ th. | V/mil | D149 | 275 |
| Dielectric Constant @1 MHz | D150 | 2.85 | |
| Dissipation Factor@1 MHz | D150 | 0.008 | |
| Surface Resistivity @60 Hz | ohms/sq | D257 | >10^13 |
NOTE: The property values presented above are typical values intended for reference and comparison purposes only. They should NOT be used as a basis for design specifications or quality control. Contact us for manufacturers’ complete material property datasheets. All values at 73°F (23°C) unless otherwise noted.
