Polyurethane transparent top-coat 聚氨酯透明面漆
Color transparent top-coat 有色透明面漆
This means that materials can be made that they are transparent to visible light but reflect infrared light, which could be used to coat windows and help stop heat leaking out of buildings.
建筑窗户如果覆上该玻璃薄膜，窗户就可以反射红外光，而夏天红外光正是加热建筑的“元凶”。
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