ASTM D1475-98
(Test Method)Standard Test Method for Density of Liquid Coatings, Inks, and Related Products
Standard Test Method for Density of Liquid Coatings, Inks, and Related Products
SCOPE
1.1 This test method covers the measurement of density of paints, inks, varnishes, lacquers, and components thereof, other than pigments, when in fluid form.
1.2 For higher precision when working with nonpigmented materials (drying oils, varnishes, resins and related materials), Test Method D1963 can be used to determine specific gravity and, thence, density.
1.3 This standard does not purport to address the safety problems associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. A specific precaution statement is given in 8.1.1.1.
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Designation:D1475–98
Standard Test Method For
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Density of Liquid Coatings, Inks, and Related Products
This standard is issued under the fixed designation D 1475; 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.
1. Scope avoirdupois of one U. S. gallon, of the liquid at the specified
temperature; in the absence of other temperature specification,
1.1 This test method covers the measurement of density of
25°C is assumed.
paints,inks,varnishes,lacquers,andcomponentsthereof,other
3.1.2 specific gravity (relative density)—the ratio of the
than pigments, when in fluid form.
mass of a unit volume of a material at a stated temperature to
1.2 For higher precision when working with nonpigmented
the mass of the same volume of distilled water at the same
materials (drying oils, varnishes, resins and related materials),
temperature.
Test Method D 1963 can be used to determine specific gravity
and, thence, density.
4. Summary of Test Method
1.3 This standard does not purport to address all of the
4.1 Theaccuratelyknownabsolutedensityofdistilledwater
safety concerns, if any, associated with its use. It is the
at various temperatures (Table 1) is used to calibrate the
responsibility of the user of this standard to establish appro-
volume of a container. The weight of the paint liquid contents
priate safety and health practices and determine the applica-
of the same container at the standard temperature (25°C) or at
bility of regulatory limitations prior to use. A specific precau-
an agreed-upon temperature is then determined and density of
tion statement is given in 8.1.1.1.
the contents calculated in terms of grams per millilitre, or
2. Referenced Documents pounds per gallon at the specified temperature.
2.1 ASTM Standards:
5. Significance and Use
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D 1193 Specification for Reagent Water
5.1 Densityisweightperunitvolume.Itisakeypropertyin
D 1963 Test Method for Specific Gravity of Drying Oils,
3 the identification, characterization, and quality control of a
Varnishes, Resins and Related Materials at 25/25°C
wide range of materials. Density measurements in terms of
D 4052 Test Method for Density and Relative Density of
4 weight per gallon are commonly used to check paint quality. If
Liquids by Digital Density Meter
the density is not within specification, there is a good chance
E 180 Practice for Determining the Precision of ASTM
5 that there was a mischarge or other serious problem.
Method for Analysis and Testing of Industrial Chemicals
5.2 This test method is suitable for the determination of
E 691 Practice for Conducting an Interlaboratory Study to
6 density of paint and related products and components when in
Determine the Precision of a Test Method
liquid form. It is particularly applicable when the fluid has too
3. Terminology high a viscosity or when a component is too volatile for a
density balance determination.
3.1 Definitions:
5.3 This test method provides for the maximum accuracy
3.1.1 density—the mass of a unit volume of a material at a
required for hiding power determinations. It is equally suitable
specified temperature. In this method, it is expressed as the
for work in which less accuracy is required, by ignoring the
weight in grams per millilitre, or as the weight in pounds
directions for recalibration and consideration of temperature
differentials, and using as the container a “weight-per-gallon”
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This test method is under the jurisdiction of ASTM Committee D-1 on Paint cup.
and Related Coatings, Materials, andApplications and is the direct responsibility of
5.4 Automatic equipment for measuring density is available
Subcommittee D01.24 on Physical Properties of Liquid Paints and Paint Materials.
(see Test Method D 4052) from several manufacturers. Such
Current edition approved Oct. 10, 1998. Published December 1998. Originally
apparatushasbeenusedforresinsandlaticesaswellasforoils
published as D 1475 – 57 T. Last previous edition D 1475 – 96.
2
Annual Book of ASTM Standards, Vol 11.01.
and solvents. Before such equipment is used for a given
3
Annual Book of ASTM Standards, Vol 06.03.
product, results must be checked very carefully. Particularly
4
Annual Book of ASTM Standards, Vol 05.02.
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with paints, inks, and resins, there are possibilities of gum-
Annual Book of ASTM Standards, Vol 15.05.
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Annual Book of ASTM Standards, Vol 14.02. ming, fouling, and other interferences with operation.
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