The World’s New ‘Whitest’ Paint Has a Darker Side
Sep 22, 2021 · A new study suggests that a paint containing barium sulphate could be highly effective at reflecting the solar radiation hitting buildings back into space. The study demonstrates how...
The whitest paint is here – and it’s the coolest. Literally.
Apr 15, 2021 · What makes the whitest paint so white. Two features give the paint its extreme whiteness. One is the paint’s very high concentration of a chemical compound called barium sulfate, which is also used to make photo paper and cosmetics white.
Whitest paint in world to be sold, could cool homes and replace AC
Sep 30, 2021 · Two features make this paint ultra-white, according to Purdue University: a very high concentration of a chemical compound called barium sulfate – also used in photo paper and cosmetics – and...
World's Whitest Paint Reflects 98.1% of Light. It Could Help in The ...
Apr 16, 2021 · There is, however, a point at which too much barium sulfate can compromise the integrity of the paint, making it brittle and flaky when it dries. The sweet spot, the researchers found, is a concentration of about 60 percent barium sulfate in the acrylic medium.
Purdue’s Xiulin Ruan Develops World’s Whitest and Coolest Paint
Apr 17, 2023 · Selection of barium sulfate is proving to be key to scattering sunlight and cooling outdoor surfaces. Xiulin Ruan, a Purdue University professor of mechanical engineering, holds up his lab’s sample of the whitest paint on record. (Purdue University/John Underwood)
The World’s Whitest Paint May Soon Help Cool Airplanes and …
Oct 5, 2022 · The key was barium sulfate, which allowed the paint to reflect 98.1 percent of sunlight and cool surfaces by up to 19 degrees Fahrenheit compared to their surroundings. For comparison,...
The World’s Whitest Paint Is Also the Coolest - Gizmodo
Mar 1, 2023 · The paint created in 2021 was made using high concentrations of barium sulfate, a compound that has different-sized particles to help scatter sunlight.
New Barium Sulfate-Based Paint is Whitest Yet - Sci.News
Apr 20, 2021 · The new barium sulfate- (BaSO4) acrylic paint has a solar reflectance of 98.1%, according to a paper published online in the journal ACS Applied Materials & Interfaces.
‘World’s Whitest Paint' Gets New Formulation : PaintSquare News
Oct 5, 2022 · Using nanoparticles of barium sulfate to reflect 98.1% of the sunlight, the white cooling paint can cool outdoor surfaces, but the research team knew certain structures would need a lighter formulation.
The World’s Whitest Paint Can Now Be Used to Naturally Cool
Oct 4, 2022 · The world’s whitest paint is made using high concentrations of barium sulfate with particles of varying sizes designed to scatter the varying wavelengths that make up sunlight and prevent...
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