Abstract
The purpose of this study was to assess the need for a colorfastness standard for nontextile wall covering. Although manufacturers do not provide information on product colorfastness, consumers may erroneously assume that all wall covering products are colorfast to light. To determine the need for colorfastness standards, eighteen nontextile wall covering samples from six major manufacturers were evaluated. Specimens were tested in an accelerated weathering instrument, which simulated exposure to sunlight through window glass. Both visual assessment and instrumental color measurement indicated that the majority of the wallpaper samples changed color following exposure to light. The implementation of a standard is recommended, and points to be considered in the development of such a standard are addressed.
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