IP 240: Determination of extreme pressure properties of lubricating fluids - Timken method copy

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  • Method adopted/last revised: 2015
  • Method reapproved: None
  • REF/ISBN: IP240-2937655
  • Status: Current
  • First printed in STM books: March 2015


This method covers the determination of the load-carrying capacity of lubricating fluids by means of the Timken Extreme Pressure Tester.

NOTE 1: This method is suitable for testing fluids having a viscosity of less than about 5000 cSt (5 000 mm2/s) at 40 °C. For testing fluids having a higher viscosity, refer to Note 5 in 9.1.

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