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How much does the solar reflectance value, emissivity, or SRI value of SR coatings change over time?

April 26, 2017coatings emissivity Reflectance solar SR Sri time value

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How much does the solar reflectance value, emissivity, or SRI value of SR coatings change over time?

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Very little change in both solar reflectivity value and emissivity value is expected. This information is based on data gathered from coating samples that have been on Valspar’s test fence in Ft. Myers, Florida for more than ten years.