Historical
ISO 12156-2:1998
Diesel fuel - Assessment of lubricity using the high-frequency reciprocating rig (HFRR) - Part 2: Limit
This part of ISO 12156 specifies the performance requirement (limit) necessary to ensure reliable operation of diesel fuel injection equipment with respect to lubrication by fuel of such equipment.
It applies to fuels used in diesel engines.
International Organization for Standardization [iso]