Standard Test Methods for Cone Penetration of Lubricating Grease Using One-Quarter and One-Half Scale Cone Equipment
1.1 These test methods cover two procedures for measuring the consistency of small samples of lubricating greases by penetration of a ¼-scale cone or a ½-scale cone. These test methods include procedures for the measurement of unworked and worked penetrations.
1.2 Unworked penetrations do not generally represent the consistency of greases in use as effectively as do worked penetrations. The latter are usually preferred for inspecting lubricating greases.
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