White-Reflectance Paint Cools Need for Air Conditioning - IDEX Health & ScienceIDEX Health & Science

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    White-Reflectance Paint Cools Need for Air Conditioning

    Article obtained from Photonics RSS Feed.

    A team from Purdue University has developed an improved ultrawhite paint that, tests showed, reflected more than 98% of sunlight — compared to 95.5% of sunlight that an earlier version of the paint reflected following its introduction in October 2020. Applied to, or coated on a surface, the paint also directs incoming infrared heat away from the surface.

    The paint is poised to lessen the need for air conditioning; attempts to develop radiative cooling paint as an alternative to traditional air conditioners have been ongoing since the 1970s. It also achieved full functionality in cold weather (winter) environments, giving it use in other cooling applications.

    Typical commercially available white paint gets warmer rather…

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    Apr, 16 2021 |

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