Chinese paint cuts wall temperature by 25 degrees Celsius in summer test: report

China has begun mass production of a super-coating that can cut wall temperatures by 25 degrees Celsius in summer, according to the state-run Science and Technology Daily. The material, which has undergone six months of real-world testing at a petrochemical plant in the southern island province of Hainan, uses the principles of radiative cooling. It requires neither electricity nor cooling agents