Viton F - 70% Fluorine
Best–Chemical Resistance

The "F" family of Viton™ was designed for todays oxygenated fuels, modern lubricants, and blended chemicals. As new chemicals and fuels are developed, new technology in Viton has led to the development of the Viton F family of sealing products.

Chemical Resistance
Viton F offers superior fluid resistance and very low permeation in very aggressive environments. Viton F offers excellent resistance to fluids that Viton® A and B types cannot adequately resist. Viton F types are highly resistant to oxygenated fuels containing (MeOH, EtOH, MTBE), engine lubricants (SE-SF and SG-SH grades), aromatic hydrocarbon process fluids, chemicals and concentrated mineral acids.

General Properties

  • Hardness Durometer, ASTM D1414, IRHD: 75±5
  • Tensile Strength, ASTM D412 minimum: 2000psi
  • Elongation, ASTM D412 minimum: 175%
  • Temperature Range: -18°C to 220°C (450°F)
  • Low Temperature Viton®F (GFLT): -40°C to 204°C (400°F)
  • Compression Set, ASTM D395B plied: 45% maximum Discs. 22hr @ 200°C (392°F)
  • Fluid Resistance, ASTM D471 immersed: 20% maximum volume increase in Toluene at 20°C (68°F) for 70 hours.
  • Thermodyn's™ (TH-7070-FGC) is compliant with DuPont's™ gasket code U2A, S26/G26

Products made with Viton F

  • Sheeting for Gaskets
  • Molded Parts
  • Cloth Inserted Sheeting
  • Caulk and Coating
  • Extrusions

Thermodyn offers three types of Viton™ F

  • TH-1210-FBC: Viton F (with a Bisphenol cure). Viton F offers the best fluid resistance at a very affordable price.
  • TH-7070-FGC: Viton GF Peroxide curable offering resistance to Aqueous Fluids: Water, Steam, and Mineral Acids. (H2S04, HN03, HCL ect.)
  • TH501-GFLC: Viton GFLT Peroxide Curable offering exceptional chemical resistance and maintains flexibility in low temperature applications. -40°C (-40°F)