The Parker Prädifa fluorocarbon material HiFluor® V8534-90 is suitable for a wide range of applications.

Special Features:
• Good resistance against explosive decompression
• Excellent resistance to gab extrusion
• Very good biofuel & biodiesel resistance
• Very good varnish resistance
• Good cold flexibility
• Very good mechanical robustness
• Very good life time

Chemical Resistance to:
• Air (oil-free)
• Compressed air (oily)
• Fuel C
• Diesel (water-free)
• RME (water-free)
• Petrol (unleaded)
• Ethanol (E85, E22)
• FAM A (test fluid no.1, DIN ISO 1817)
• FAM B (test fluid no.2, DIN ISO 1817)
• Shell Rimula Super R4L
• Castrol SLX 0W30 LongLife
• ATF oils
• Dexron VI ATF
• Mobil 1 + 5% Sturaco 7195
• R134a
• HFO1234yf
• Freon 21, 22
• Methanol
• Ammonia 33%
• Ethanol
• Methyl-ethyl-ketone (MEK)
• Acetone
• Ethane
• Benzene
• Natural gas
• Petroleum (sulphur-free)
• Mineral oils (tests with NBR-1/ECI recommended prior to use with dynamic seals)
• Di-ester-based lubricating oils
• Petroleum-based lubricating oils
• Lubricating oils SAE 10, 20, 30, 40, 50
• DOT-4
• HETG / Triglycerides (rape seed oil)
• HEES / Synthetic esters (TMP and dicarbon acid esters, non-water-soluble)
• HEPG / Polyalkylene glycols
• HEPR / Polyalphaolefines and related products
• HFC (Water/polyglycol)
• HFDR (Organic esters of phosphoric acid / Skydrol)
• HFDU (Synthethic fluids like silicone oils, carboxylic ester oils,polyol esters)
• PAO (Polyalphaolefines)

Highly Fluorinated Fluorocarbon O-Ring, 90 Shore A, Demanding Applications (Prädifa Series V8534-90, HiFluor®)