Euro gray low-E (low-emissivity) coated glass

Abstract

The invention discloses a European gray low-radiation coated glass. The glass film layer structure is as follows: glass substrate, the first layer of silicon nitride layer, the second layer of protective layer nickel chromium layer, the third layer of dielectric layer oxidation Zinc-tin layer, fourth seed layer zinc oxide layer, fifth functional layer copper layer, sixth protective layer nickel-chromium layer, seventh dielectric layer silicon nitride layer, eighth dielectric layer zinc-tin oxide layer, The ninth seed layer is a zinc oxide layer, the tenth functional layer is a silver layer, the eleventh protective layer is a nickel-chromium layer, and the twelfth dielectric protective layer is a silicon nitride layer. The low-emissivity glass manufactured by the present invention has a* of -1.5 to 1.5, b* of -2.5 to 0, a transmittance of 30 to 43%, and a reflectance of the glass surface of 4.0 to 6.5%. The transmission color is still gray, and the transmission color of the glass of the present invention is a neutral color, which meets the visual aesthetic requirements. This kind of glass is used in building curtain walls, can replace the use of float European gray glass, and can well meet the lighting, aesthetics, and energy-saving requirements of buildings.

Description

technical field [0001] The invention relates to the technical field of off-line coated glass, in particular to an off-line European gray low-emissivity coated glass. Background technique [0002] Low-emissivity coated glass ("Low-E" glass) is a kind of coated glass with a high reflectance to infrared rays with a wavelength of 4.5-25 μm. This kind of coated glass has high light transmittance to visible light, which ensures indoor lighting, and has high reflectivity to far-infrared light, so as to prevent the glass from absorbing outdoor heat and then generating thermal radiation, which transmits heat into the room and indoor objects. The heat generated is reflected back to achieve the purpose of reducing the heat radiation passing through the glass. This reduces energy consumption for heating and cooling the building. [0003] Most of the European gray glass produced in the prior art is body tinted glass or on-line coated glass, and the European gray glass produced by these...

AI Technical Summary

Problems solved by technology

[0006] The object of the present invention is to overcome the disadvantages of European gray glass without low-emissivity energy-saving effect and complicated manufacturing process in the prior art, and provide a European gray low-emissivity coated glass, which

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