Nitrile-Butadiene Rubber O-Ring, 90 Shore (Prädifa Series N0552-90)

The Parker Prädifa nitrile-butadiene rubber N0552-90 is suitable for a wide range of applications.

Special Features:

• Good mechanical robustness

• Good resistance to gap extrusion

Chemical Resistance to:

• Air (oil-free)

• Compressed air (oily)

• Methanol

• Methyl-ethyl-ketone (MEK)

• 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)