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ASTM D5398

1997 Edition, November 10, 1997

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Standard Practice for Visual Evaluation of the Lightfastness of Art Materials by the User

Includes all amendments and changes through Reapproval Notice , 2010

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Product Details:

  • Revision: 1997 Edition, November 10, 1997
  • Published Date: January 2010
  • Status: Active, Most Current
  • Document Language: English
  • Published By: ASTM International (ASTM)
  • Page Count: 5
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

This practice covers a method for exposing specimens of colored art materials indoors to sunlight coming through a closed window. Any color change is compared to fading in a Blue Wool Reference2 and exposed simultaneously.

This practice shall only be used by individuals to select materials with satisfactory lightfastness for their own use or to identify materials that require special protection from light. When test information is to be communicated to others, Test Methods D4303 or Practice D5383 must be used.

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 performed without instrumentation in a comparatively short length of time.

This practice is not suitable for evaluating the lightfastness of materials with a high oil content such as artists' oil, resin-oil or alkyd paints.

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

This standard does not purport to address all of 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.

2 ISO Blue Wool Reference 3 is available from the Society of Dyers and Colourists, P.O. Box 244, Grattan Road, Radford, West Yorkshire, BD12 JB, England, or as the third band from the top of the Textile Fading Card from Talas, Division of Technical Library Service, Inc., 213 West 35th St., New York, NY 10001-1996.