A paint so white you wouldn’t recognise. Scientists at Purdue University have created what is being called the world’s “whitest paint”.
In fact, it’s so white that its properties could eliminate the need for air conditioning in the future.
World’s whitest paint could fight global warming
The world’s whitest paint was recently inducted into the Guinness World Records book for… being so white.
While the existence of world’s whitest paint might sound like the achievement itself, scientists actually set out to find a way to slow down global warming. If they are to be believed, this white paint does exactly that.
In a statement, Xiulin Ruan, a mechanical engineering professor at Purdue said that when they started out, their goal was to create a paint colour which would reflect sunlight away from a building.
That’s where all the white comes in.
With phenomenal reflective properties, the whitest paint on Earth is able to reflect a whopping 98.1 per cent of solar radiation.
Shook? There’s more – the white paint is also capable of emitting infrared heat. What does this mean? It simply points to the powerful properties of the whitest paint ever, which emits more heat than it absorbs.
In essence, any surface coated with this paint will be cooled below surrounding temperature without consuming any power.
Goodbye air conditioning?
In the statement, Ruan laid bare the power of whitest paint on Earth: coating the roof area of about 1,000 square feet could produce cooling power worth 10 kilowatts – essentially more powerful than most household air conditioners.
Excited to use it? Hold your breath, Purdue researchers are currently partnering with a company to put the super white paint on the market, a news release stated.
Current offerings of white paint work differently – they get warmer instead of becoming cooler. While traditional paints reflect 80 to 90 per cent of all sunlight, they are simply incapable of providing air conditioning.
What gives the paint its extremely white properties? It’s quite simple – high concentrations of barium sulfate, a chemical compound also used in cosmetics, along with different particle sizes of barium sulfate, Purdue scientists said.
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