Paint me cool: scientists reveal roof coating that can reduce surface temperatures up to 6C on hot days
给我涂上酷色：科学家揭示一种屋顶涂料，能够在炎热的日子里减少表面温度高达6摄氏度
‘Cool roof’ panels being tested at the University of Sydney.
2025-10-30 650词 中等
One coating made from a porous film, which can be painted on to existing roofs, works by reflecting 96% of incoming solar radiation, rather than absorbing the sun’s energy. It also has a high thermal emittance, meaning it effectively dissipates heat to outer space when the sky is clear. Its properties are known as passive radiative cooling.
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