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PTFE (Polytetrafluoroethylene) is a popular fiber choice for food and medical packaging, filtration media and much more.

img_7686PTFE (Polytetrafluoroethylene) is a fluorine-containing fiber characterized by its high chemical stability, moderate tensile strength, chemical inertness, and high melting point. The fiber can be drawn as a filament yarn called Teflon®, or it can be slit from a membrane and elongated resulting in ePTFE. PTFE has a very low frictional coefficient giving it a slippery hand.

Sample PTFE applications:
  • Teflon® ribbon for lightweight and durable wildlife harnesses
  • Release applications
  • Self-lubricating bearings
  • Packaging (food and medical)
  • Filtration media for highly corrosive fluids

Technical Data

Tenacity (g/denier) 2.0
Elongation at break (%) 20.0
Shrinkage at 177°C (%) 7.0
Melting point (°F) Does not melt. Gels at 621°F
In flame Non-flammable
After flame Non-flammable
Chemical resistance Inert (one of the most resistant fibers known)
Specific gravity (g/cc) 2.1
Moisture regain (%) 0.0
Disclaimer: Values are only a guide. Actual values depend on manufacturer and exact type of yarn. Please contact our engineering team for specific values as they relate to your application.

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Additional Resources

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