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Low-E glass is designed with a special coating that reflects heat and ultraviolet (UV) rays while allowing natural light to enter. This dual functionality makes it an invaluable asset in both commercial and residential applications. The coating is typically a microscopically thin layer of metal or metallic oxide, which helps regulate the temperature within a building, thus contributing to greater energy savings.

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How to identify whether it is natural crystal
(1) Eyes: Natural crystals in the formation process, often affected by the environment always contain some impurities, when observing the sun, you can see light uniform fine horizontal lines or catkins. And the fake crystal mostly uses the residual crystal ballast, glass ballast melting, after polishing processing, color imitation, there is no uniform stripe, catch-like material.