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HFRR Test
July 24, 2020

Lubricity has always been an important factor in the quality of diesel fuels. Although more recent changes to fuel itself and tighter tolerances in modern engines, makes understanding a fuel’s
lubricity more important now, than ever. To fully understand how to interpret a fuel’s lubricity, it is helpful to understand how the lubricity rating is achieved. There are many standard test
methods to determine lubricity, however the most common and perhaps the most effective is the High Frequency Reciprocating Rig (HFRR) test using the ASTM D-6079 test method.

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