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Setting the Color Straight

Setting the Color Straight
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For years, accelerated weathering test equipment has been utilized to showcase performance of coatings as a means to justify changing to new and “better” materials. While an accelerated weatherometer is useful in confirming a material’s performance, the results can be misleading in certain situations, resulting in misguided decisions based on a marketing department’s zeal to secure additional sales. 

Product Number: 41214-871-SG
Author: John W. Winfrey
Publication Date: 2014
Industries: Coatings , Corrosion Monitoring and Control
$0.00
$20.00
$20.00

For years, accelerated weathering test equipment has been utilized to showcase performance of coatings as a means to justify changing to new and “better” materials. While an accelerated weatherometer is useful in confirming a material’s performance, the results can be misleading in certain situations, resulting in misguided decisions based on a marketing department’s zeal to secure additional sales. This paper shares test results from two different accelerated methodologies prescribed by the American Society for Testing and Materials (ASTM) and compares those results to natural daylight exposure in an attempt to help set the facts straight on how to benefit from accelerated weathering to better understand long-term durability with respect to ultraviolet light exposure and help debunk myths regarding performance-based data driven solely by accelerated exposure results. Accelerated test selection will be discussed, as well as statistical validation for accelerated method preference to natural sunlight results.

For years, accelerated weathering test equipment has been utilized to showcase performance of coatings as a means to justify changing to new and “better” materials. While an accelerated weatherometer is useful in confirming a material’s performance, the results can be misleading in certain situations, resulting in misguided decisions based on a marketing department’s zeal to secure additional sales. This paper shares test results from two different accelerated methodologies prescribed by the American Society for Testing and Materials (ASTM) and compares those results to natural daylight exposure in an attempt to help set the facts straight on how to benefit from accelerated weathering to better understand long-term durability with respect to ultraviolet light exposure and help debunk myths regarding performance-based data driven solely by accelerated exposure results. Accelerated test selection will be discussed, as well as statistical validation for accelerated method preference to natural sunlight results.

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