Standard Historical Last Updated: Aug 16, 2017 Track Document
ASTM D5478-98

Standard Test Methods for Viscosity of Materials by a Falling Needle Viscometer

Standard Test Methods for Viscosity of Materials by a Falling Needle Viscometer D5478-98 ASTM|D5478-98|en-US Standard Test Methods for Viscosity of Materials by a Falling Needle Viscometer Standard new BOS Vol. 06.01 Committee D01
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Scope

1.1 These test methods cover the measurement of the viscosity of Newtonian and non-Newtonian liquids. These test methods are applicable to liquids having viscosities in the range from 5 X 10 -4 to 10 Pa[dot]s (0.5 to 10 cP). The shear rate range is dependent upon the needle used and viscosity of the liquid and may vary from 10 -4 to 10 s -1 .

1.2 The yield stress of liquids having this property may also be determined.

1.3 These test methods consist of determining liquid viscosities of Newtonian and non-Newtonian fluids (clear or opaque) by measuring the steady-state (constant) or terminal velocities of cylindrical needles as they fall through the test liquid under the influence of gravity. Yield stresses of non-Newtonian liquids may be measured using the same procedure.

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Details
Book of Standards Volume: 06.01
Developed by Subcommittee: D01.24
Pages: 5
DOI: 10.1520/D5478-98
ICS Code: 17.060