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ASTM D5478-98

Historical Revision

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

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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.


SDO ASTM: ASTM International
Document Number D5478
Publication Date June 10, 1998
Language en - English
Page Count 5
Revision Level 98
Supercedes
Committee D01.24
Publish Date Document Id Type View
Feb. 1, 2013 D5478-13 Revision
Feb. 1, 2009 D5478-09 Revision
June 10, 1998 D5478-98 Revision
Dec. 1, 2022 D5478-13R22 Reaffirmation
Sept. 1, 2018 D5478-13R18 Reaffirmation
Dec. 1, 2003 D5478-98R03 Reaffirmation