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ASTM D6901-15

(Specification)

Standard Specification for Artists' Colored Pencils

Standard Specification for Artists' Colored Pencils

ABSTRACT
This standard specification establishes quality requirements for composition, performance, and labeling of artists' colored pencils. This specification also covers vehicles and additives. Labeling requirements shall include company or brand name, identification number, country of origin, colour index names, lightfastness, pencil type, name and address of manufacturer, constitution number, toxicity, and statement of conformance. Additives for colored pencils shall include thickeners, preservatives, surfactants, wax, oil, and humectants. The pencil shall be capable of applying an even coating without scratch marks and without excessive breaking. Lightfastness, color difference test, exposure to natural daylight through window glass, and exposure to Xenon-arc radiation shall be done in accordance with the ASTM standard testing method using white, uncoated, neutral pH, buffered paper or board, without optical brighteners.
SCOPE
1.1 This specification establishes requirements for composition, performance, and labeling of artists’ colored pencils.  
1.2 This specification covers vehicles and additives. Requirements are included for identification, lightfastness, and consistency.  
1.3 Colored pencil specimens are exposed to both natural daylight through window glass and simulated window glass-filtered daylight radiation to determine the lightfastness rating for each pencil.  
1.4 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

General Information

Status
Historical
Publication Date
31-May-2015
ICS
97.195 - Items of art and handicrafts. Cultural property and heritage
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 D6901-15 - Standard Specification for Artists' Colored Pencils
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: D6901 −15
Standard Specification for
1
Artists’ Colored Pencils
This standard is issued under the fixed designation D6901; 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 (´) indicates an editorial change since the last revision or reapproval.
1. Scope 3. Terminology
1.1 This specification establishes requirements for
3.1 Definitions—Refer to Terminology E284 for appearance
composition, performance, and labeling of artists’ colored
terms used in this specification and to Terminology G113 for
pencils.
terms relating to natural and artificial lightfastness tests.
1.2 This specification covers vehicles and additives. Re-
3.2 Definitions of Terms Specific to This Standard:
quirements are included for identification, lightfastness, and
3.2.1 bloom, n—a cloudy exudation on the surface of
consistency.
colored pencil due to wax migration.
1.3 Colored pencil specimens are exposed to both natural
3.2.2 burnish, v—to firmly rub the surface of the sample
daylight through window glass and simulated window glass-
following application of the colored pencil until the binder
filtered daylight radiation to determine the lightfastness rating
breaks down and the color is forced into the texture of the
for each pencil.
substrate to improve coverage.
1.4 The values stated in SI units are to be regarded as the
3.2.3 colored pencil, n—a core of extenders, binders, pig-
standard. The values given in parentheses are for information
mentsandadditives,suchaswax/oilandthickenerssurrounded
only.
by a casing.
3.2.4 color stick, n—a core of extenders, binders, pigments
2. Referenced Documents
and additives, such as wax/oil and thickeners without a casing
2
2.1 ASTM Standards:
but sometimes with a paper sleeve.
D2244 Practice for Calculation of Color Tolerances and
3.2.5 substrate, n—white, uncoated, neutral pH, buffered
Color Differences from Instrumentally Measured Color
paper, or board, without optical brighteners, to which color is
Coordinates
applied.
D4236 Practice for Labeling Art Materials for Chronic
Health Hazards 3.2.6 watercolor pencil, n—a colored pencil with a water-
D4303 Test Methods for Lightfastness of Colorants Used in
dispersible core.
Artists’ Materials
3.2.7 water-soluble color stick, n—a water-dispersible color
E284 Terminology of Appearance
stick.
G24 Practice for Conducting Exposures to Daylight Filtered
Through Glass
4. Significance and Use
G113 Terminology Relating to Natural andArtificial Weath-
4.1 This specification establishes quality requirements and
ering Tests of Nonmetallic Materials
provides a basis for common understanding among producers,
G151 Practice for Exposing Nonmetallic Materials inAccel-
distributors, and users.
erated Test Devices that Use Laboratory Light Sources
G155 Practice for Operating XenonArc LightApparatus for
4.2 It is not intended that all pencils meeting the require-
Exposure of Non-Metallic Materials
ments 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
1
This specification is under the jurisdiction of ASTM Committee D01 on Paint
of which may be acceptable under this specification.
and Related Coatings, Materials, andApplications and is the direct responsibility of
Subcommittee D01.57 on Artist Paints and Related Materials.
4.3 Variation in test results can result from differences in
Current edition approved June 1, 2015. Published June 2015. Originally
pigment manufacture from time to time in a company, different
approved in 2003. Last previous edition approved in 2006 as D6901 – 06 which was
withdrawn January 2015 and reinstated in June 2015. DOI: 10.1520/D6901-15.
varieties of a pigment from company to company, different
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
combinations of pigments and other ingredients, specimen
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
preparation, different instruments and instrumental readings,
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. variations in the surface of the specimen, and the conditions of
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
D6901 − 15
exposure.Allowance for these variations is made by establish- Specification D6901,” or “Conforms to ASTM D6901.” This
ing lightfastness categories, each of which covers a defined statement may be combined with other conformance
range of color loss. statements, such as, “Conforms to the qualit
...

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5.1 Artists have available to them a wide variety of art materials such as markers, colored pencils, pastels, colored inks and airbrush colors. Many of these materials are manufactured for temporary artwork and may contain pigments and dyes that fade in a relatively short time. Product labels and manufacturers’ literature do not always supply the information necessary to distinguish products that are stable to light from those that are not. This practice makes it possible to check the general lightfastness of coloring materials to be used in works of art; however, Test Methods D4303 must be used if color measuring instruments and appropriate lightfastness testing apparatus are available. This practice may also be used to evaluate other types of colored materials for lightfastness.
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1.1 This practice covers a method for exposing specimens of colored art materials indoors to sunlight coming through a closed window. A card containing eight Blue Wool References2 is exposed simultaneously. Blue Wool References2 3, 6, and 7, are used as controls in determining when to remove test specimens from exposure and rate them. Test specimens are rated by assigning each specimen the number of the Blue Wool Reference that shows the same amount of color change.  
1.2 This practice may be used to indicate art materials that will change color within a few months or years in normal indoor exposure and those that will remain unchanged for a period of years. It is not rigorous enough to verify that materials will remain unchanged for more than fifty years in a home or office environment. A major consideration in developing this method was to keep it simple and short enough to be preformed without instrumentation in a comparatively short length of time.  
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1.7 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.

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This practice describes the standard procedure for developing precautionary labels for art materials to provide chronic health hazard and precautionary statements based on knowledge that exists in the scientific and medical communities. These statements concern hazards known to be associated with a product or product component(s) when it is present in a physical form, volume, or concentration that in the opinion of a toxicologist has the potential to produce a chronic adverse health effect. This practice applies exclusively to art materials packaged in sizes intended for individual users of any age or those participating in a small group, and does not apply to products appropriately labeled for known chronic health hazards. Also, this practice does not specify test methods for determining whether a substance or product presents adverse chronic health effects. Labels should include the signal word WARNING, list of potentially chronic hazards, name of chronically hazardous component(s), safe handling instructions, list of sensitizing components, information sources, labeling content and product size, and other supplementary information.
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SCOPE
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1.2 This test method has been developed to address an urgent need to identify oil-based materials that may require labeling for spontaneous heating tendency. Studies based on this test method may allow the development of a practice to identify such oil-based materials.  
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This standard specification establishes quality requirements for composition, performance, and labeling of artists' colored pencils. This specification also covers vehicles and additives. Labeling requirements shall include company or brand name, identification number, country of origin, colour index names, lightfastness, pencil type, name and address of manufacturer, constitution number, toxicity, and statement of conformance. Additives for colored pencils shall include thickeners, preservatives, surfactants, wax, oil, and humectants. The pencil shall be capable of applying an even coating without scratch marks and without excessive breaking. Lightfastness, color difference test, exposure to natural daylight through window glass, and exposure to Xenon-arc radiation shall be done in accordance with the ASTM standard testing method using white, uncoated, neutral pH, buffered paper or board, without optical brighteners.
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5.1 This acid extraction method is intended to indicate the solubility of metals from art materials in a weak acid medium. This test method may be useful as one indicator of the amount of metal that is readily available for absorption. It is not meant as a replacement for in vivo tests of absorption of a metal.6 Other relevant information, when available, should be included in the overall toxicological assessment of metal-containing art materials, such as physico-chemical properties, toxicokinetics (absorption, distribution, metabolism and excretion), and mechanisms of toxicity of the metal(s) of interest.  
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SCOPE
1.1 This specification establishes requirements for composition, physical properties, performance, and labeling of artists’ oil, resin-oil, and alkyd paints.  
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4.1 This specification establishes quality requirements and provides a basis for common understanding among producers, distributors, and users.  
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SCOPE
1.1 This specification establishes requirements for composition, performance, and labeling of artists' pastels.  
1.2 This specification includes requirements for identification and lightfastness.  
1.3 Pastel specimens are exposed to both natural daylight through window glass and window glass-filtered simulated daylight radiation to determine the lightfastness category for each pastel.  
1.4 The values stated in SI units are to be regarded as standard. The values given in parentheses after SI units are provided for information only and are not considered standard.  
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.

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Standard Practice for Labeling Ceramic Art Materials for Chronic Adverse Health Hazards

ABSTRACT
This practice describes a procedure for developing precautionary labels for ceramic art materials and provides hazard and precautionary statements concerning chronic adverse health hazards known to be associated with a product or product component(s), when the component(s) is present in a physical form, volume, or concentration that in the opinion of a toxicologist has the potential to produce a chronic adverse health effect(s). Precautionary labels covered by this practice are intended for adult usage and does not assure completely the safe use of an art product. This practice does not specify test methods for determining whether a substance or product presents chronic adverse health hazards and does not apply to products appropriately labeled for known chronic adverse health hazards according to chemical substances labeling standards and practices, such as another national consensus standard, existing labeling statutes, regulations, or guidelines. Requirements for the conformance to this practice are given. Determination of labeling and labeling practices such as, signal word, list of potential chronic hazards, name of chronic hazard components, safe handling, instructions, list of sensitizing components, combined statements, information sources, and supplement information are detailed.
SCOPE
1.1 This practice describes a procedure for developing precautionary labels for ceramic art materials and provides hazard and precautionary statements based upon knowledge that exists in the scientific and medical communities. This practice concerns those chronic adverse health hazards known to be associated with a product or product component(s), when the component(s) is present in a physical form, volume, or concentration that in the opinion of a toxicologist has the potential to produce a chronic adverse health effect(s).  
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ASTM D5724-16(2021)(Specification)
Standard Specification for Gouache Paints

ABSTRACT
This specification establishes the requirements for composition, physical properties, performance, and labeling of gouache paints. Covered here are pigments, vehicles, and additives, wherein the requirements for which are included for pigment identification, lightfastness, and consistency. Some pigments meeting the lightfastness requirements in this specification are listed herein. Also, in order to identify other pigments that meet these requirements, instructions are given for test specimen preparation and the respective test methods for determining relative lightfastness. The conditions not covered in this specification that affect gouache paints are substrate, environmental conditions, storage, vehicles, pigments, additives, inerts, preparation of samples, coarse particles, fineness of dispersions, consistency, freeze-thaw stability, opacity (hiding power), bleeding, and color specification.
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.
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1.4 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.  
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