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Material

Aflas O-Rings

Aflas is a specialty material used where seals must perform well in steam, hot water, amines, caustics, sour gas, and high-temperature industrial environments.

Aflas O-rings

Aflas O-Rings

Aflas is a specialty material used where seals must perform well in steam, hot water, amines, caustics, sour gas, and high-temperature industrial environments.

Typical temperature rangeAbout -5°C to +200°C typical, with specialty grades extending higher.
Other namesAflas, TFE-P, FEPM
Hardness optionsCommon Aflas hardness options may include 60, 70, 75, 80, and 90 Shore A.
Compliance optionsDepending on compound, Aflas may be available with FDA-compliant options, pharma or biotech-oriented grades, and application-specific approvals.

Best used for

  • Steam and hot water service
  • Amines
  • Caustics and strong bases
  • Sour gas environments
  • High-temperature industrial sealing

Key advantages

  • Strong steam and hot water resistance
  • Good performance in amines and caustics
  • Useful in harsh oilfield and process conditions
  • Good high-temperature oil resistance

Performs well in

  • Steam
  • Hot water
  • Caustics
  • Bases
  • Amines
  • Many oils
  • Sour gas

Use with caution or avoid

  • Very low temperatures
  • Aromatic fuels
  • Ketones
  • Chlorinated hydrocarbons
  • Some refrigerants

Typical applications

  • Oil and gas
  • Chemical processing systems
  • Power generation equipment
  • Pipeline and fluid handling systems
  • Mechanical seals
  • SIP and CIP service in suitable compounds

Common industries

  • Oil and gas
  • Chemical processing
  • Power generation
  • Automotive in suitable grades
  • Pharma and biotech in suitable compounds

When to choose Aflas

Choose Aflas when FKM is not the best fit for steam, caustics, or amine-heavy service and you still need a high-performance elastomer.

When not to choose Aflas: Avoid or review carefully when your application involves very low temperatures, aromatic fuels, ketones, chlorinated hydrocarbons, or where another material already meets the need at lower cost.

Selection guide

This is a practical selection guide. Final material choice should always be checked against actual fluid, temperature, pressure, movement, environment, and any approval requirement for the exact compound.

Need help selecting the right material?

Tell us your fluid, temperature, pressure, size, and whether the seal is static or dynamic. We can help review the most suitable starting options before final size and compound selection.

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