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This newly discovered “whitest” paint could help cool the city more than ever
Buildings are a well-known fact I drew Brighter colors reflect more light: that’s why New York City plans to fight the urban heat island effect and lowers cooling costs. Paint the roof white It’s very effective. Now scientists have discovered the “whitest” paint that reflects 95.5% of the light. This is a potential benefit of passive cooling solutions.
Typical commercial white paints maximize with a reflectance of about 80-90 percent, Paint revealed in the journal Cell Reports Physics October 21st, As mentioned above, it has the potential to make them even more efficient. The secret was to use crushed calcium carbonate particles as a paint filler instead of the industry standard titanium dioxide. In addition to good mechanical properties, naturally occurring calcium carbonate, from chalk to shells to eggs, is also much cheaper, and the cost of the final product can be lower than what is currently on the market. .. The usage of the material is also compatible with modern paint manufacturing methods.
“Our paints are compatible with the manufacturing process of commercial paints and can cost as much or less,” said Professor of Mechanical Engineering at Purdue University, Indiana, and lead author of the study. Xiulin Ruan Was told Science daily.. “The important thing is to ensure the reliability of the paint so that it can be used for long-term outdoor applications.”
“This paint can also be used in combat Climate change Because it rejects sunlight and radiates heat into space, “he added.
Obviously, the rooftop is the main application site for the whitest white paint (researchers have found that the painted areas are more than the unpainted patches left in the sun during testing in West Lafayette, Indiana. I found it to be 18 degrees Fahrenheit on average), natural light all day long. However, while white paint reduces the need for air conditioning in the summer, it should be noted that in the winter it may require more heating and it may not be possible to install solar panels on the roof. It is important.
Apart from obvious applications, the whitening particles used in new paints are non-metallic and can also be used to protect outdoor transmission equipment from overheating. Ruan speculates that one day it will cover everything from cars to data centers. This means that the next test will confirm the long-term durability of the paint in the face of UV rays and everyday outdoor weather.
What Are The Main Benefits Of Comparing Car Insurance Quotes Online
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