IP 450: Diesel fuel - Assessment of lubricity using the high-frequency reciprocating rig (HFRR) - Part I: Test Method

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  • Method adopted/last revised: 2000
  • Method reapproved: None
  • REF/ISBN: IP450-2934869
  • Status: Current
  • First printed in STM books: January 2000


This part of IS0 12156 specifies a test method using the high-frequency reciprocating rig (HFRR), for assessing the lubricating property of diesel fuels including those fuels which may contain a lubricity-enhancing additive. It applies to fuels used in diesel engines.

NOTE It is not known if this test method will predict the performance of all additive/fuel combinations. Additional work is underway to further establish this correlation and future revisions of this part of IS0 12156 may be necessary once this work is complete.

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