Hydrogenated Nitrile-Butadiene Rubber O-Ring, 70 Shore A, Broad Applicability (Prädifa Series N3813-70)

The Parker Prädifa hydrogenated nitrile-butadiene rubber N3813-70 is suitable for a wide range of applications.



Special Features:

• Good cold flexibility

• Very good mechanical robustness

• Very good resistance against gap extrusion

• Very good life time



Chemical Resistance to:

• Air (oil-free)

• Compressed air (oily)

• ATF oils

• Dexron VI ATF

• Mobil 1 + 5% Sturaco 7195

• Methanol

• Ethanol

• Ethane

• Natural gas

• Petroleum (sulphur-free)

• Mineral oils (tests with NBR-1/ECI recommended prior to use with dynamic seals)

• Petroleum-based lubricating oils

• Lubricating oils SAE 10, 20, 30, 40, 50

• HFC (Water/polyglycol)

• HFAE (Oil in water emulsions; mineral oils / synthethic esters)

• HFAS (Mineral oil free, water-based synthethic fluids)

• PAO (Polyalphaolefines)