SAE ARP5996 - HLPS Dynamic Coking

We perform HLPS testing to evaluate the coking propensity of aviation lubricants under single phase flow conditions found in parts of gas turbine engines. A lubricant's tendency to form deposits in an engine oil system is a critical factor that can influence engine design, engine performance, and maintenance intervals. This method is designed to evaluate the coking propensity of synthetic ester-based aviation lubricants under single phase flow conditions found in certain parts of gas turbine engines, including inside bearing feed tubes.

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Sample quantity required: 1 liter (1000 ml)

For additional information on this test method or to purchase a copy of the test method, please click HERE to open a new window and visit the SAE International website. Learn more about our laboratory's certifications and quality program here.