The three major differences between online and offline Low-e glass

1.Low-e glass production process

The online Low-E glass is sprayed with a tin salt as a main component on a hot glass surface during the production of float glass to form a single layer of tin oxide (SnO2) compound film with a certain low radiation function. Into. Offline Low-E glass is made in a special production line by vacuum magnetron sputtering to uniformly plate metallic silver (Ag) and other metals and metal compounds with extremely low emissivity on the glass surface. It consists of four layers of film.

2.Low-e glass variety and appearance

The online Low-E glass has a single variety and is limited by the scale production of float glass. Currently, it is only 6mm thick, a colorless and transparent variety. Off-line Low-E glass is available in a variety of high, medium and low transmittance products according to different climatic characteristics, and the color is silver gray, light gray, light blue and colorless transparent, etc. And many other colors. The thickness can be made from 3 to 12 mm.

3.Low-e glass performance parameters

The spectrum of the online Low-E glass exhibits the characteristics of the tin oxide conductive film, while the spectrum of the offline Low-E glass exhibits the characteristics of the silver and tin oxide composite film, both of which have good transmission to visible light, while the latter is suitable for near-infrared light. It has much higher reflection than the former, and the far infrared radiation has less absorption and higher reflection than the former. Therefore, off-line Low-E glass has a low shading coefficient and a low heat transfer coefficient compared to the online Low-E glass.

Beijing Oriental Haihua Technology Co., Ltd. is a large-scale modern enterprise integrating all kinds of high-end architectural glass deep processing and glass trade wholesale. The main products are: ultra-white bright glass, ultra-white LQW-E hollow glass, ultra-white tempered laminated glass, super white glaze, painted glass, hollow decorative strip glass.

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