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ASTM D 4303 : 2010

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 Colorants Used in Artists' Materials

Available format(s)

Hardcopy , PDF

Superseded date

11-11-2014

Language(s)

English

Published date

01-06-2010

€67.30
Excluding VAT

CONTAINED IN VOL. 06.02, 2017 Describes four test methods to accelerate the effects of long term indoor illumination on artists' materials are: A - Exposure in southern Florida to natural daylight filtered through window glass. B - Exposure in Arizona to natural daylight filtered through window glass. C - Exposure in a non-humidity controlled xenon-arc device simulating daylight filtered through window glass. D - Exposure in a humidity controlled xenon-arc device simulating daylight filtered through window glass.

Committee
D 01
DocumentType
Test Method
Pages
6
ProductNote
Reconfirmed 2010
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy
Supersedes

1.1 Four test methods to accelerate the effects of long term indoor illumination on artists' materials are described below. One of the natural daylight methods and one of the xenon-arc methods are used to categorize the lightfastness of colorants.

1.1.1 Test Method AExposure in southern Florida to natural daylight filtered through window glass.

1.1.2 Test Method BExposure in Arizona to natural daylight filtered through window glass.

1.1.3 Test Method CExposure in a non-humidity controlled xenon-arc device simulating daylight filtered through window glass.

1.1.4 Test Method DExposure in a humidity controlled xenon-arc device simulating daylight filtered through window glass.

1.2 These test methods are used to approximate the color change that can be expected over time in colorants used in artists' materials exposed indoors to daylight through window glass.

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

Note 2—Users who wish to test colored materials under fluorescent illumination should consult Practice D4674.

1.3 Lightfastness categories are established to which colorants 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 colored artists' materials.

1.6 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

1.7 This standard does not purport to address the safety concerns, 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 4838 : 1988 : R2016 Standard Test Method for Determining the Relative Tinting Strength of Chromatic Paints (Withdrawn 2023)
ASTM D 5067 : 2016 Standard Specification for Artists' Watercolor Paints
ASTM D 6901 : 2015 Standard Specification for Artists' Colored Pencils
ASTM D 4302 : 2014 Standard Specification for Artists’ Oil, Resin-Oil, and Alkyd Paints
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 5724 : 2016 Standard Specification for Gouache Paints

ASTM D 5067 : 2016 : REDLINE Standard Specification for Artists' Watercolor Paints
ASTM D 5098 : 2016 : REDLINE Standard Specification for Artists' Acrylic Dispersion Paints
ASTM E 284 : 2017 : REDLINE Standard Terminology of Appearance
ASTM D 6901 : 2015 Standard Specification for Artists' Colored Pencils
ASTM D 2244 : 2016 : REDLINE Standard Practice for Calculation of Color Tolerances and Color Differences from Instrumentally Measured Color Coordinates
ASTM G 155 : 2013 : REDLINE Standard Practice for Operating Xenon Arc Light Apparatus for Exposure of Non-Metallic Materials
ASTM G 113 : 2016 : REDLINE Standard Terminology Relating to Natural and Artificial Weathering Tests of Nonmetallic Materials
ASTM D 5724 : 2016 : REDLINE Standard Specification for Gouache Paints
ASTM D 4302 : 2014 : REDLINE Standard Specification for Artists’ Oil, Resin-Oil, and Alkyd Paints
ASTM G 24 : 2013 : REDLINE Standard Practice for Conducting Exposures to Daylight Filtered Through Glass

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