Parker's perfluorelastomer (Ultra® FFKM) currently offers the highest operating temperature range, the most comprehensive chemical compatibility, and the lowest off-gassing and extractable levels of any rubber material. Parker's proprietary formulations deliver an extreme performance spectrum that make them ideal for use in critical applications like semiconductor chip manufacturing, jet engines and chemical processing equipment.

• Heat resistance up to 275°C (525°F)
• Cold flexibility down to -15°C (+5°F)
• Ultra broad chemical resistance
• Aliphatic and aromatic hydrocarbons
• Chlorinated hydrocarbons
• Polar solvents (ketones, esters, ethers)
• Inorganic and organic acids
• Water and steam
• High vacuum with minimal loss in weight
• Used for Broad Chemical Resistance, FDA

Not compatible with:
• Fluorinated refrigerants (R11, 12, 13, 113, 114, etc.)
• Perfluorinated lubricants (PFPE)

*Custom sizes and coatings/markings are available upon request. Contact Parker O-Ring & Engineered Seals Division at 859-269-2351 for design and pricing assistance.