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Causes of High Oxidation

While some new oils may produce an oxidation value due to the presence of synthetic esters, increases in oxidation generally represent degradation of the fluid. The biggest driver to oxidation is heat, as the rate of reaction doubles with every 10 °C or 18 °F increase in temperature. This type of degradation may increase viscosity, acidity and sludge/varnish formation in lubricants.

Prolonged or elevated oxidation may lead to deposits; these deposits tend to be very dark (near black) in color and have a granular texture. In situations with extremely high temperatures, even localized hot spots, both oxidation and nitration will increase.

For specific information on other measured parameters, bookmark this page for future updates.

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About the Author

Test Oil

TestOil has been in the oil analysis business since 1988.

We started out providing Analytical Ferrography services to power customers and in the early 90’s expanded our services. We have focused exclusively on assisting large industrial facilities reduce their maintenance costs and avoid unexpected downtime through oil analysis program implementation. Our customers rely on us to be their technical experts when it comes to diagnosing oil related issues in equipment such as turbines, hydraulics, gearboxes, pumps, compressors, and diesel generators. Our state-of-the-art-laboratory has the capacity to process and analyze 2000 samples per day. We employ lean process management to drive excellence and ensure that we maintain our guarantee of providing same day turnaround on all routine testing.