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ASTM D5067-16(2021)

(Specification)

Standard Specification for Artists' Watercolor Paints

Standard Specification for Artists' Watercolor Paints

ABSTRACT
This specification establishes requirements for composition, physical properties, performance, and labeling of artists' watercolor paints. Lightfastness determination, exposure tests, and mean color difference calculation shall be conducted to meet the specified requirements.
SIGNIFICANCE AND USE
4.1 This specification establishes quality requirements and provides a basis for common understanding among producers, distributors, and users.  
4.2 It is not intended that all paints meeting the requirements be identical nor of uniform excellence in all respects. Variations in manufacture, not covered by this specification, may cause some artists to prefer one brand over another, either of which may be acceptable under this specification.
SCOPE
1.1 This specification establishes requirements for composition, physical properties, performance, and labeling of artists' watercolor paints.  
1.2 This specification covers pigments, vehicles, and additives. Requirements are included for pigment identification, lightfastness, and consistency.  
1.3 Table 1 lists some pigments meeting the lightfastness requirements in this specification. In order to identify other pigments that meet these requirements, instructions are given for test specimen preparation. Test methods for determining relative lightfastness are referenced.  
1.4 The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only.  
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

General Information

Status
Published
Publication Date
31-Oct-2021
ICS
87.040 - Paints and varnishes
Technical Committee
D01 - Paint and Related Coatings, Materials, and Applications
Drafting Committee
D01.57 - Artist Paints and Related Materials
Current Stage
Ref Project

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ASTM D5067-16(2021) - Standard Specification for Artists' Watercolor PaintsASTM D5067-16(2021) - Standard Specification for Artists' Watercolor Paints
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ASTM D5067-16(2021) - Standard Specification for Artists' Watercolor Paints
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This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation:D5067 −16 (Reapproved 2021)
Standard Specification for
1
Artists’ Watercolor Paints
This standard is issued under the fixed designation D5067; 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 (´) indicates an editorial change since the last revision or reapproval.
1. Scope 3. Terminology
1.1 This specification establishes requirements for 3.1 Definitions:
composition, physical properties, performance, and labeling of 3.1.1 Colour Index Name, n—consists of the category (type
artists’ watercolor paints. ofdyeorpigment),generalhue,andanassignednumbergiven
3
to a colorant in the Colour Index as an international identifi-
1.2 This specification covers pigments, vehicles, and addi-
cation system.
tives. Requirements are included for pigment identification,
3.1.1.1 Discussion—For example, the Colour Index Name
lightfastness, and consistency.
of one phthalocyanine blue pigment is Pigment Blue 15 (PB
1.3 Table 1 lists some pigments meeting the lightfastness
15).
requirements in this specification. In order to identify other
3.1.2 Colour Index Number, n—afive-digitnumbergivenin
pigments that meet these requirements, instructions are given
the Colour Index that describes the chemical constitution of a
for test specimen preparation. Test methods for determining
colorant.
relative lightfastness are referenced.
3.1.2.1 Discussion—Forexample,theColourIndexNumber
1.4 The values stated in SI units are to be regarded as
of one phthalocyanine blue pigment is 74160.
standard. The values given in parentheses are for information
3.1.3 Appearance terms used in this standard are defined in
only.
Terminology E284.
1.5 This international standard was developed in accor-
3.2 Definitions of Terms Specific to This Standard:
dance with internationally recognized principles on standard-
3.2.1 watercolor paint, n—a pigment dispersion in a water
ization established in the Decision on Principles for the
soluble gum/resin vehicle that dries water soluble and is
Development of International Standards, Guides and Recom-
intended primarily for transparent applications.
mendations issued by the World Trade Organization Technical
Barriers to Trade (TBT) Committee.
4. Significance and Use
4.1 This specification establishes quality requirements and
2. Referenced Documents
provides a basis for common understanding among producers,
2
2.1 ASTM Standards:
distributors, and users.
D185Test Methods for Coarse Particles in Pigments
4.2 It is not intended that all paints meeting the require-
D1210Test Method for Fineness of Dispersion of Pigment-
ments be identical nor of uniform excellence in all respects.
Vehicle Systems by Hegman-Type Gage
Variations in manufacture, not covered by this specification,
D4236Practice for Labeling Art Materials for Chronic
maycausesomeartiststopreferonebrandoveranother,either
Health Hazards
of which may be acceptable under this specification.
D4303Test Methods for Lightfastness of Colorants Used in
Artists’Materials
5. Labeling Requirements
E284Terminology of Appearance
5.1 Pigment(s) Identification:
5.1.1 Every label shall include for each pigment contained
in the paint (1) the information underlined in Table 1 (which
1
This specification is under the jurisdiction ofASTM Committee D01 on Paint
includes the Common Name, Colour Index Name, and any
and Related Coatings, Materials, andApplications and is the direct responsibility of
Subcommittee D01.57 on Artist Paints and Related Materials. additionaltermsnecessarytoidentifytheformofthepigment),
Current edition approved Nov. 1, 2021. Published November 2021. Originally
and (2) the appropriate Lightfastness Category.
approved in 1990. Last previous edition approved in 2016 as D5067–16. DOI:
10.1520/D5067-16R21.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
3
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Colour Index, 3rd ed.,The Society of Dyers and Colourists, London, 1971–75,
Standards volume information, refer to the standard’s Document Summary page on five vols and revisions. Available from the American Association of Textile
the ASTM website. Chemists and Colorists, PO Box 12215, Research Triangle Park, NC 27709.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
D5067−16 (2021)
TABLE 1 Suitable Pigments List
NOTE 1—Underlined information and the lightfastness category in the table shall be included on every lab
...

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