Fascinating: ”World’s Whitest Paint” that can eliminate the need for ACs created!

According to the researchers, creating the world's whitest paint to replace ACs is not a claim but a fact.

Xiulin Ruan, a Purdue University professor of mechanical engineering, and his students have created the whitest paint on record.

Guinness Book of World Records makes a new entry as a professor and his students create the world’s whitest paint to replace ACs (air conditioners). This whitest paint was invented at the Purdue University lab and results from six years of research building on attempts going back to the 1970s. Finally, researchers were able to develop radiative cooling paint as a feasible alternative to traditional air conditioners.

Speaking about the white paint, Xiulin Ruan, a professor of mechanical engineering at Purdue University, said:

When we started this project about seven years ago, we had saving energy and fighting climate change in mind. We aimed to make a paint that would reflect sunlight away from a building structure.

How was the world’s whitest paint created?

The objective of the Purdue University professor and his students was to create a paint that would reflect 98.1% of solar radiation and emit infrared heat. In doing so, the color the researchers created became really white.

Xuilin Ruan stated:

When applied to a building, the paint will not absorb heat and instead emit it, making the surrounding and indoor temperature cooler without consuming any power. A roof of 1000 square feet covered in this paint will have a cooling capacity of 10 kilowatts, which is more potent than most house air conditioners.

“Breaking a record for the whitest paint wasn’t a goal; curbing global warming was,” says Prof Xuilin Ruan.

Does the world’s whitest paint really eliminate the need for ACs?

According to the researchers, creating the world’s whitest paint to replace ACs is not a claim but a fact. Their confidence results from extensive experimentation and testing, proving that the paint’s whiteness makes it the coolest paint on record.

The Purdue University researchers demonstrated this coolness by using high-accuracy temperature reading equipment called thermocouples. The equipment noted that the paint could keep surfaces 19 degrees Fahrenheit cooler than their ambient surroundings at night. According to details, the paint can also cool surfaces 8 degrees Fahrenheit below their surroundings under strong sunlight during noon hours.

As per details, the paint’s solar reflectance is so effective that it even works in the middle of winter. This was proven during an outdoor test with an ambient temperature of 43 degrees Fahrenheit. The paint managed to lower the sample temperature by 18 degrees Fahrenheit.

Experts believe that the world’s whitest paint will soon take over the commercial white paint, which gets warmer rather than cooler as they are designed to reject heat, reflect 80-90% of sunlight, and can’t make surroundings cooler. Selling of the ultra-white paint will begin soon as researchers at Purdue University have partnered with a retail company to make the paint available for everyone.

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