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ASTM D5478-98
Standard Test Methods for Viscosity of Materials by a Falling Needle Viscometer
STANDARD published on 10.6.1998
The information about the standard:
Designation standards: ASTM D5478-98
Note: WITHDRAWN
Publication date standards: 10.6.1998
SKU: NS-31379
The number of pages: 5
Approximate weight : 15 g (0.03 lbs)
Country: American technical standard
Category: Technical standards ASTM
Annotation of standard text ASTM D5478-98 :
Keywords:
falling needle viscometer, Newtonian fluid, non-Newtonian fluid, rheological property, rheometer, viscometer, viscosity, yield stress, ICS Number Code 17.060 (Measurement of volume, mass, density, viscosity)
Additional information
| 1. Scope | ||||
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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. |
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| 2. Referenced Documents | ||||
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