Research Report Approved: Mar 07, 2007
RR:D02-1613

D4684-Test Method for Determination of Yield Stress and Apparent Viscosity of Engine Oils at Low Temperature

The precision of test method D4684 was determined by the statistical examination of results from an interlaboratory program in which 10 to 11 samples were tested in 7 to 9 laboratories at -25, -30, -35 and -40 degrees C utilizing thermo-electric cooled MRV's.
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Details
Developed by Subcommittee: D02.07
Stock # : RR-D02-1613
Standard: D4684