ASTM D7688

Standard Test Method for Evaluating Lubricity of Diesel Fuels by the High-Frequency Reciprocating Rig (HFRR) by Visual Observation

This test method covers the evaluation of the lubricity of diesel fuels using a high-frequency reciprocating rig (HFRR). It is applicable to middle distillate fuel and other similar petroleum-based fuels which can be used in diesel engines. This test method also is applicable to biodiesel blends. B5 was included in the round robin program that determined the precision statement.PCS

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