ASTM D445-04e1

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An American National Standard
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Designation: D 445 – 04 British Standard 2000: Part 71:1990
Designation: 71/1/97
Standard Test Method for
Kinematic Viscosity of Transparent and Opaque Liquids
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(and the Calculation of Dynamic Viscosity)
This standard is issued under the fixed designation D 445; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
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e NOTE—Repeatability information that was inadvertently duplicated in Section 17 was removed editorially in November
2004.
1. Scope* priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use.
1.1 This test method specifies a procedure for the determi-
nation of the kinematic viscosity, n, of liquid petroleum
2. Referenced Documents
products, both transparent and opaque, by measuring the time
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2.1 ASTM Standards:
for a volume of liquid to flow under gravity through a
D 446 Specifications and Operating Instructions for Glass
calibratedglasscapillaryviscometer.Thedynamicviscosity, h,
Capillary Kinematic Viscometers
can be obtained by multiplying the kinematic viscosity, n,by
D 1193 Specification for Reagent Water
the density, r, of the liquid.
D 1217 Test Method for Density and Relative Density
NOTE 1—For the measurement of the kinematic viscosity and viscosity
(Specific Gravity) of Liquids by Bingham Pycnometer
of bitumens, see also Test Methods D 2170 and D 2171.
D 1480 Test Method for Density and Relative Density
1.2 The result obtained from this test method is dependent
(Specific Gravity) of Viscous Materials by Bingham Pyc-
upon the behavior of the sample and is intended for application
nometer
to liquids for which primarily the shear stress and shear rates
D 1481 Test Method for Density and Relative Density
are proportional (Newtonian flow behavior). If, however, the
(Specific Gravity) of Viscous Materials by Lipkin Bicap-
viscosity varies significantly with the rate of shear, different
illary Pycnometer
results may be obtained from viscometers of different capillary
D 2162 Test Method for Basic Calibration of Master Vis-
diameters.The procedure and precision values for residual fuel
cometers and Viscosity Oil Standards
oils, which under some conditions exhibit non-Newtonian
D 2170 Test Method for Kinematic Viscosity of Asphalts
behavior, have been included.
(Bitumens)
1.3 The range of kinematic viscosities covered by this test
D 2171 Test Method for Viscosity of Asphalts by Vacuum
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method is from 0.2 to 300 000 mm /s (see Table A1.1)atall
Capillary Viscometer
temperatures (see 6.3 and 6.4). The precision has only been
D 6074 Guide for Characterizing Hydrocarbon Lubricant
determined for those materials, kinematic viscosity ranges and
Base Oils
temperaturesasshowninthefootnotestotheprecisionsection.
D 6617 Practice for Laboratory Bias Detection Using
1.4 The values stated in SI units are to be regarded as the
Single Test Result from Standard Material
standard.
E 1 Specification forASTM Liquid-in-Glass Thermometers
1.5 This standard does not purport to address all of the
E 77 Test Method for Inspection and Verification of Ther-
safety concerns, if any, associated with its use. It is the
mometers
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responsibility of the user of this standard to establish appro-
2.2 ISO Standards:
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This test method is under the jurisdiction of ASTM Committee D02 on
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Petroleum Products and Lubricants and is the direct responsibility of Subcommittee For referenced ASTM standards, visit the ASTM website, www.astm.org, or
D02.07 on Flow Properties. contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Current edition approved May 1, 2004. Published June 2004. Originally Standards volume information, refer to the standard’s Document Summary page on
approved in 1937. Last previous edition approved in 2003 as D 445–03. the ASTM website.
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In the IP, this test method is under the jurisdiction of the Standardization Available fromAmerican National Standards Institute (ANSI), 25 W. 43rd St.,
Committee. 4th Floor, New York, NY 10036.
*A Summary of Changes section appears at the end of this standard.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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D445–04
ISO 3104 Petroleum Products—Transparent and Opaque fixed volume of fluid is directly proportional to its kinematic
Liquids—Determination of Kinematic Viscosity and Cal- viscosity, n, where n = h/r, and h is the dynamic viscosity
culation of Dynamic Viscosity coeffic
...