Scientists Just Created the Whitest Paint in the World

It reflects 98.1 percent of solar radiation.


You've heard about Blackest Black, aka Vantablack, the world's darkest paint that absorbs 99.965 percent of light. Now, there's a yet-to-be-named paint that broke the Guinness World Record for the world's whitest paint.

Scientists at Purdue University have created the world’s whitest paint, and it could end the need for air-conditioning.

According to Purdue University, the paint is so white, it reflects 98.1 percent of solar radiation while outputting infrared heat.

“When we started this project about seven years ago, we had saving energy and fighting climate change in mind,” said Xiulin Ruan, a professor of mechanical engineering at Purdue, in a statement.

Recommended Videos

Ruan and his team wanted a paint that would reflect heat instead of absorbing it. The paint absorbs less heat from the sun than it emits, which means a surface coated with this paint will be cooler than the surrounding temperature—a feat no other white paint has achieved.

Typical commercial white paint gets warmer rather than cooler because they are only designed to reject heat and reflect only 80 percent to 90 percent of sunlight—hence, they can’t make surfaces cooler than their surroundings.

If the paint were used on a roof area of 1,000 square feet, the cooling effect would be equivalent to the energy output of 10 kilowatts, Purdue researchers showed in a published paper.

“That’s more powerful than the air conditioners used by most houses,” Ruan said.

The ultra-white paint has a very high concentration of a chemical compound called barium sulfate, which is used in photo paper and cosmetics. Different-sized pigments of barium sulfate were integrated into the paint to scatter different-sized wavelengths of sunlight.


“A wider range of particle sizes allows the paint to scatter more of the light spectrum from the sun,” the researchers said.

* * *

This story originally appeared on

* Minor edits have been made by the editors.

More on

Real Living is now on Quento! Enjoy more of our stories by clicking here to download the app.


Read more stories about

Latest Stories

Metro Manila Mall Hours For Holiday Season 2021

Plan your Christmas shopping accordingly.

These Photos Show the Transformation of a Bare Condo Unit Into a Scandi Dream

The before-and-after snapshots will surely inspire you to revamp your space!

A Hotel Chic Look for a 39sqm Studio Unit

Ar. IDr. Isabelle Ong Sitco of Iztilo Interiors took inspiration from luxe hotel rooms in sprucing up the well-maximized space

7 Ways to Achieve Modern Luxe Interiors

Invest in the right pieces and work on a sleek yet inviting aesthetic

This Tiny Modular Home Will Only Cost You Around P8k a Month

If you spend this much monthly for rent, why not invest in your own house instead?

A Look Inside the Ancestral Home of Pablo S. Antonio, National Artist for Architecture

Located in Pasay City, the bungalow is a modern tropical marvel built by the celebrated architect

You Can Now Have a Picnic at Masungi Georeserve, Rizal

Spend your weekends with nature and locally-sourced food.

Is Buying a Penthouse Worth It?

It's no secret that this property comes with a hefty price tag, but you get a couple of perks, too
Load More Stories