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Are You Restricted by Your Total Solar Reflectance Performance?

Are You Restricted by Your Total Solar Reflectance Performance?
Available for download

Cool coatings can play an important role in reducing global energy consumption and increasing interior comfort. They do this by minimizing solar absorption on a surface whilst maximizing thermal emission. Used in this way, a cool coating is able to reduce the flow of heat from the exterior coated surface into the building, resulting in lower internal temperatures. 

Product Number: 41213-749-SG
Author: Ian Goodwin
Publication Date: 2013
Industry: Coatings
$0.00
$20.00
$20.00

Cool coatings can play an important role in reducing global energy consumption and increasing interior comfort. They do this by minimizing solar absorption on a surface whilst maximizing thermal emission. Used in this way, a cool coating is able to reduce the flow of heat from the exterior coated surface into the building, resulting in lower internal temperatures. The reduction in the internal temperature can reduce the need for electricity used to power air conditioning units used for cooling. The benefits for buildings have been quantified in studies produced by Lawrence Berkeley National. Traditionally, white coatings have been used to raise solar reflectance in an exterior coating however, there is a growing need for good solar reflection in bright, vibrant and dark colors. A new pigment is introduced that enables formulators to increase solar reflection in a broad range of colours, especially deep, dark colours1. This new innovation enables solar reflective properties to be created from a single additive. Color can then be created with the use of a wide variety of conventional pigments with guidance on color formulation generated from a proprietary software program. In developing the technology, titanium dioxide crystals have been engineered to optimize the ratio of near infrared reflectance to visible reflectance and encapsulated them in dense silica coating for durability. Finally the product has been treated to give outstanding dispersibility. The presentation will review the potential benefits of cool coatings and how this new solar reflective pigment can improve total solar reflectance when combined with colored pigments in a range of colored coating systems.

Cool coatings can play an important role in reducing global energy consumption and increasing interior comfort. They do this by minimizing solar absorption on a surface whilst maximizing thermal emission. Used in this way, a cool coating is able to reduce the flow of heat from the exterior coated surface into the building, resulting in lower internal temperatures. The reduction in the internal temperature can reduce the need for electricity used to power air conditioning units used for cooling. The benefits for buildings have been quantified in studies produced by Lawrence Berkeley National. Traditionally, white coatings have been used to raise solar reflectance in an exterior coating however, there is a growing need for good solar reflection in bright, vibrant and dark colors. A new pigment is introduced that enables formulators to increase solar reflection in a broad range of colours, especially deep, dark colours1. This new innovation enables solar reflective properties to be created from a single additive. Color can then be created with the use of a wide variety of conventional pigments with guidance on color formulation generated from a proprietary software program. In developing the technology, titanium dioxide crystals have been engineered to optimize the ratio of near infrared reflectance to visible reflectance and encapsulated them in dense silica coating for durability. Finally the product has been treated to give outstanding dispersibility. The presentation will review the potential benefits of cool coatings and how this new solar reflective pigment can improve total solar reflectance when combined with colored pigments in a range of colored coating systems.

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