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What is low-emissivity glass?

What is low-emissivity glass?
Update Time:2018-12-18


What is low-emissivity glass?


Low-emissivity glass is a coated glass with a high reflectance (80% or more) for far-infrared rays with a wavelength range of 4.5 to 25 microns. It is a low-emissivity coating coated with a metal or metal oxide film on the surface of high-quality float glass, which makes it reflective to far-infrared rays, which can effectively block the heat flow of the high-temperature field to the low-temperature field. It can effectively prevent summer heat from entering the indoor and winter heat, and has the effect of two-way energy saving.

Low-emissivity glass is also called Low-E glass, and Low-E is short for English Low-Emissivity. Low-E glass is physically or chemically coated on the surface of the glass with a thin film or metal oxide film containing one or two layers or even multiple layers of film to reduce energy absorption or control energy exchange between indoor and outdoor, to ensure life, Work comfort and achieve environmental protection and energy saving.

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