Standard Test Methods for Relative Tinting Strength of Paste-Type Printing Ink Dispersions

SCOPE
1.1 These test methods cover procedures for determining the relative tinting strength of paste-type printing ink dispersions by visual or instrumental evaluation.
1.2 These test methods are applicable to paste-type printing inks, flushed pigments, and other pigment dispersions that are essentially nonvolatile under ordinary room conditions and for which there is a wet reference standard of the same pigmentation and consistency. With proper choice of tinting base, they are applicable to dispersions of any color, including black and white.
Note 1—The instrumental procedures for tinting strength are similar in principle to those described in Test Methods D 387, D 2745, and D 4838.
1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
1.4 This standard does not purport to address all of the safety concerns, if any, 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.

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30-Nov-2003
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ASTM D2066-03 - Standard Test Methods for Relative Tinting Strength of Paste-Type Printing Ink Dispersions
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation:D2066–03
Standard Test Methods for
Relative Tinting Strength of Paste-Type Printing Ink
1
Dispersions
This standard is issued under the fixed designation D2066; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope* D2745 Test Method for RelativeTinting Strength ofWhite
Pigments by Reflectance Measurements
1.1 These test methods cover procedures for determining
D4838 Test Method for Determining the Relative Tinting
the relative tinting strength of paste-type printing ink disper-
Strength of Chromatic Paints
sions by visual or instrumental evaluation.
E284 Terminology of Appearance
1.2 These test methods are applicable to paste-type printing
E1331 Test Method for Reflectance Factor and Color by
inks, flushed pigments, and other pigment dispersions that are
Spectrophotometry Using Hemispherical Geometry
essentially nonvolatile under ordinary room conditions and for
E1347 Test Method for Color and Color-Difference Mea-
which there is a wet reference standard of the same pigmen-
surement by Tristimulus (Filter) Colorimetry
tationandconsistency.Withproperchoiceoftintingbase,they
E1349 Test Method for Reflectance Factor and Color by
are applicable to dispersions of any color, including black and
Spectrophotometry Using Bidirectional Geometry
white.
2.2 ANSI Standards:
NOTE 1—Theinstrumentalproceduresfortintingstrengtharesimilarin 3
PH 2.17 Geometric Conditions for Reflection Density
principle to those described in Test Methods D387, D2745, and D4838.
PH 2.18 Spectral Conditions for the Measurement of Opti-
3
1.3 The values stated in SI units are to be regarded as the
cal Density
standard. The values given in parentheses are for information
PH 2.30 Viewing Conditions for Graphic Arts and
only.
Photography—ColorPrints,TransparenciesandPhotome-
3
1.4 This standard does not purport to address all of the
chanical Reproductions
safety concerns, if any, associated with its use. It is the
3. Terminology
responsibility of the user of this standard to establish appro-
priate safety and health practices and determine the applica-
3.1 Definitions relating to color attributes and color differ-
bility of regulatory limitations prior to use.
ences are covered in Terminology D16 and E284.
3.2 Definitions of Terms Specific to This Standard:
2. Referenced Documents
3.2.1 tinting strength, n—the ability of a material to impart
2
2.1 ASTM Standards:
its color to a standard base; the reciprocal of the relative
D16 Terminology For Paint, Related Coatings, Materials,
concentration required to match the reference material in a
and Applications
standard base.
D387 Test Method for Color and Strength of Chromatic
3.2.2 masstone (or masscolor), n—the color of a material
Pigments with a Mechanical Muller
that is thick enough to mask any background.
D2244 Practice for Calculation of Color Tolerances and
3.2.3 undertone (or undercolor), n—the color of a thin film
Color Differences from Instrumentally Measured Color
of a material.
Coordinates
4. Summary of Test Methods
4.1 Thin and thick films of the standard and unknown
1
These test methods are under the jurisdiction of ASTM Committee D01 on
dispersions are drawn down in juxtaposition on bond and on
Paint and Related Coatings, Materials, and Applications and are the direct
responsibility of Subcommittee D1.56 on Printing Inks.
coated paper. Visual evaluation of the relative undertone and
Current edition approved Dec. 1, 2003. Published January 2004. Originally
masstone provides a check on color equivalency.
approved in 1991. Last previous edition approved in 1997 as D2066–97.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
3
Standards volume information, refer to the standard’s Document Summary page on Available fromAmerican National Standards Institute (ANSI), 25 W. 43rd St.,
the ASTM website. 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.
1

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D2066–03
4.2 Thestandardandunknowndispersionsareeachreduced 7. Materials
to the same concentration in a suitable tinting base. Thick wet
7.1 Reference (Standard) Dispersion, having the same pig-
drawdownsofthetwotintsareevaluatedfortintingstrengthby
mentation and consistency as the test (unknown) dispersion.
Test Methods A or B.
7.2 Tinting Base, as agreed upon between the producer and
4.2.1 Test Method A—Visual Evaluation:
...

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