Nitrile, BunaN (NBR)

The most commonly used rubber, Nitrile (NBR) is a general purpose sealing material for petroleum oils and fluids, silicone greases and oils, greases and air. It is NOT recommended for phosphate ester fluids, MEK, Acetone, acid or automotive brake fluids and has only marginal resistance when exposed to oxygen and sunlight.

Temperature range: -40° F to 250° F (-40° C to 120° C)