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ASTM D 4303 : 1999

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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Standard Test Methods for Lightfastness of Pigments Used in Artists' Paints

Superseded date

11-11-2014

Superseded by

ASTM D 4303 : 2003

Published date

10-05-1999

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Committee
D 01
DocumentType
Test Method
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy

1.1 Three test methods consisting of exposure to light (natural sunlight or simulated sunlight) filtered through glass are described as follows:

1.1.1 Test Method A -Exposure under glass to the sun,

1.1.2 Test Method B -Exposure to irradiance from artificial daylight fluorescent lamps, and

1.1.3 Test Method C -Exposure in xenon-arc lightfastness apparatus.

1.2 These test methods are used to approximate the color change that can be expected over time in pigments used in artists' paints in normal indoor exposure.

Note 1-The color changes that result from accelerated exposure may not duplicate the results of normal indoor exposure in a home or gallery. The relative resistance to change, however, can be established so pigments can be assigned to categories of relative lightfastness.

1.3 Lightfastness categories are established to which pigments are assigned based on the color difference between specimens before and after exposure.

1.4 Color difference units are calculated by the CIE 1976 L*a*b* color difference equation.

1.5 These test methods apply to artists' oil, resin-oil, acrylic emulsion, alkyd, and watercolor paints.

1.6 This standard does not purport to address the safety problems, 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.

ASTM D 4302 : 2014 Standard Specification for Artists’ Oil, Resin-Oil, and Alkyd Paints
ASTM D 6901 : 2015 Standard Specification for Artists' Colored Pencils
ASTM G 24 : 2013 Standard Practice for Conducting Exposures to Daylight Filtered Through Glass
ASTM D 5098 : 2016 Standard Specification for Artists' Acrylic Dispersion Paints
ASTM D 4838 : 1988 : R2016 Standard Test Method for Determining the Relative Tinting Strength of Chromatic Paints (Withdrawn 2023)
ASTM D 5724 : 2016 Standard Specification for Gouache Paints
ASTM D 5067 : 2016 Standard Specification for Artists' Watercolor Paints
ASTM D 5383 : 2016 Standard Practice for Visual Determination of the Lightfastness of Art Materials by Artists and Art Technologists

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