Aflas

Aflas is a speciality fluoroelastomer that outperforms standard FKM (Viton) in steam, amine, and base resistance. We supply FEPM sheet for sour gas service, steam systems, and chemical processing where conventional fluoroelastomers fall short against alkaline and polar media.

At a Glance

Temperature Range

-10 °C to +200 °C continuous

Thickness Range

1.5 mm to 6.4 mm

Hardness Range

70–90 Shore A

Brands We Stock

Aflas
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Technical Properties

Typical values across stocked grades. Specific grade data sheets available on request.

Temperature Range-10 °C to +200 °C continuous
Hardness (ASTM D2240)70–90 Shore A
Tensile Strength (ASTM D412)10–18 MPa
Elongation at Break (ASTM D412)150–300%
Compression Set (ASTM D395)15–35%. 22 h @ 200 °C
Tear Strength (ASTM D624)15–30 kN/m
Specific Gravity (ASTM D792)1.55–1.65
Thickness Range1.5–6.4 mm stocked
Steam ResistanceSuperior to FKM. Resists superheated steam to 200 °C
Amine / Base ResistanceStrong base and amine resistance — outperforms standard FKM in caustic and amine service; compare against FFKM for severe amine environments above 180 °C
Sour Gas (H₂S) ServiceExcellent. NACE MR0175 compliant
Ozone Resistance (ASTM D1171)Excellent. No cracking

Common Applications

  • Sour gas (H₂S) wellhead and pipeline gaskets
  • High-pressure steam system gaskets
  • Amine scrubber and amine service seals
  • Hot alkaline chemical processing gaskets
  • Oil and gas downhole seals
  • Geothermal energy system gaskets
  • Methanol and polar solvent service seals
  • Automotive powertrain seals exposed to aggressive fluids

Available Grades

Brands we stock: Aflas

Aflas Standard (80 Shore A)

General-purpose FEPM sheet with excellent resistance to steam, amines, bases, and sour gas. Our standard grade for applications where Viton's alkaline resistance is insufficient.

Aflas High-Temperature

Enhanced FEPM grade optimised for sustained service at temperatures up to 200 °C. Used in geothermal, steam injection, and high-temperature chemical processing.

Need Aflas?

We supply aflas in sheet, roll, and custom die-cut forms. Contact our team for pricing, data sheets, or technical assistance.

Disclaimer

This resource is provided for general engineering reference only and does not constitute professional advice, specification, or guarantee of performance. Actual results depend on specific application conditions. Universal Gaskets Pty Ltd accepts no responsibility or liability for decisions made based on this information. For full terms, see our Terms & Conditions.