PTFE

Style 7531 - Reprocessed PTFE (less expensive than Virgin PTFE)

Reprocessed PTFEis a white flexible material which has a very low coefficient of friction, excellent high and low temperature capability is resistant to virtually all acids and caustics. It is flexible and extremely soft, and therefore conforms to irregular flanges effectively. Reprocessed PTFE is less expensive thanVirgin PTFE, has a lower tensile of 2000 PSI, and has reduced resistance to cold flow.

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Temperature
-450°F/-268°C to 500°F/260°C
Applications

UV water purification systems
Exhaust gas sensor applications
Pumps & valves in food processing equipment
Anti-friction applications in automotive & aerospace, and other mechanical applications
Electrical insulating applications (example: separate conductive surfaces in capacitors)
Gaskets, washers, rings, seals and spacers for:

- Petrochemical
- Food Processing
- Biotech & pharmaceutical industry
- Pulp & paper
- Power generation

Tensile
2000 PSI minimum
pH
0-14
Advantages
A wide operating temperature rage: -450°F/-268°C to 500°F/260°C
Universal chemical resistance
Light & Weather resistance
Hot water vapor resistance
Excellent coefficient of friction (anti adhesive behavior)
Non-combustible (LOI > 95)
Excellent electric & dielectric properties
Hydrophobic (no water absorption)
Physiologically harmless (BgVV, EU, USDA, and FDA approved)
Disadvantages
Poor adhesion
Cold flow behavior
Relatively low wear resistance
Low resistance to high-energy radiation
No suitable for injection & welding applications
Additional info
Functionally equivalent to Garlock's Gylon®, Flexitallic's Sigma®, Frenzelit's Novaflon®, and Klinger's Thermoseal® series

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