什么是隔热层
隔热层是设计用来保温和隔热的材料层。这些隔热层可防止照明系统与周围隔热材料（如玻璃纤维或纤维素隔热材料）之间的热量传递。它通过建立一个屏障，限制灯光产生的热量达到危险水平，从而确保安装的安全性。
通常情况下，隔热层是由两层金属套管和中间的气囊构成的。这种结构有助于扩散热量，防止外层金属温度过高。通过对照明系统进行有效隔热，这些隔热层可以减少热量损失，并允许使用低瓦数的灯具，从而提高能源效率。
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