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Overview ISO 12156-2:2017 specifies the performance requirement (limit) for diesel fuel lubricity when assessed with the high-frequency reciprocating rig (HFRR). Part 2 of the ISO 12156 series define…
Overview ISO 12156-1:2023 defines a standardized test method for assessing diesel fuel lubricity using the High‑Frequency Reciprocating Rig (HFRR) with a digital camera. The standard covers testing o…