ASTM D5067

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.

This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

1. 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 inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.

2. Referenced Documents

ASTM Standards
D1210 Test Method for Fineness of Dispersion of Pigment-Vehicle Systems by Hegman-Type Gage
D185 Test Methods for Coarse Particles in Pigments, Pastes, and Paints
D4236 Practice for Labeling Art Materials for Chronic Health Hazards
D4303 Test Methods for Lightfastness of Colorants Used in Artists Paints
E284 Terminology of Appearance

Index Terms

lightfastness; quality requirements; specimen preparation; watercolors; ICS Number Code 87.040 (Paints and varnishes)

Citing ASTM Standards

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