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Understanding oil bleed and grease separation
Oil bleed is a term used to explain the separation of oil or seepage of oil during normal grease operating conditions. The lower the viscosity of the base oil used in the grease, the more separation you are likely to see.
Get answers to important questions like:
What causes grease to separate?
Is it normal?
What does normal oil bleed look like?
How do climate and temperature impact oil bleed and separation?
Do some greases experience more oil separation than others?
As well as myths and truths about oil bleed and grease separation.
To learn more, please download the full technical topic below.
Our full line of aviation greases is designed to deliver protection against wear and corrosion, endure weather conditions and provide excellent performance in extreme temperatures.
Find answers to general ExxonMobil aviation questions or explore our other FAQ pages about jet turbine oils, hydraulic fluids, piston engine oils, greases and gear oils.