Purdue’s whitest white paint now a Guinness World Record; sub-ambient radiative cooling

Green Car Congress
By mmillikinOct 20, 2021, 3:16 am388 pts
An ultra-white paint incorporating barium sulfate (BaSO4) particles that is up to 98.1% reflective, developed by engineers at Purdue University, has earned a Guinness World Records title for the whitest paint. The record appears in the 2022 edition of Guinness World Records. The 98.1% reflectivity compares to a…

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