DS DS/EN ISO 12156-1
DS DSEN SO 12156-1 2007-JAN-22 Desel fuel - Assessment of lubrcty usng the hgh-frequency recprocatng rg HFRR - Part 1 Test method
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This part of ISO 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 lubricityenhancing additive.
It applies to fuels used in diesel engines.