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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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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D2244 Practice for Calculation of Color Tolerances and Color Differences from Instrumentally Measured Color Coordinates
D4236 Practice for Labeling Art Materials for Chronic Health Hazards
D4303 Test Methods for Lightfastness of Colorants Used in Artists Materials
E284 Terminology of Appearance
G24 Practice for Conducting Exposures to Daylight Filtered Through Glass
G151 Practice for Exposing Nonmetallic Materials in Accelerated Test Devices that Use Laboratory Light Sources
G155 Practice for Operating Xenon Arc Light Apparatus for Exposure of Non-Metallic Materials
colored pencils; daylight through window glass; lightfastness; quality requirements; test specimens; xenon arc exposures;
ICS Number Code 97.195 (Items of art and handicraft)
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Citing ASTM Standards
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