• What’s the difference between double glazing and triple glazing?

    Most glass used in facade is double glazed units, which is made of 1 piece low-E coated glass and 1 piece clear glass,the most common glass combination is 6 low-E+12A+6 clear glass. If the low-E coating is double silver low e coated,glass U value is around 1.6W/m2.k,for triple silver low-E the U value is same but will with lower Solar coefficient.Evne if we change the 2nd glass to double silver low-E,the U value won’t change much. With the development of…

  • Thermal insulation function of low e coating

    In the mid-1970s, it was discovered that most of the heat transfer of double glazing was caused by infrared radiation exchange from one layer of glass to another. Therefore, as long as the emissivity of any one of the double glazing is reduced, the heat transfer can be greatly reduced. This is the reason for LOW-E glass. There is data showing that the clear float glass has an emissivity of 0.84 and the low e coated glass with an emissivity of 0.2 reduces the…

  • Hard coated low e VS Soft coated low e

    Low-E glass, short for Low Emissivity Glass,It is a coating on glass surface. This glass not only has high visible light transmittance, but also has a strong ability to block infrared rays. It can play the dual functions of natural lighting and heat insulation. Low-E glass is divided into offline Low-E glass(soft coated low e) and online Low-E glass(hard coated low e) according to the manufacturing process. On-line Low-E glass is a functional film with low radiation performance on the surface of the glass…

  • How to select the right energy efficient glass?

    Architectural glass is widely used in our daily life,such as glass greenhouse/conservatory-Single piece tempered glass,Glass balustrade/canopy-laminated glass,Glass curtain wall-double glazed units.But glass a good thermal conductive material,Heat conduction through the glass occurs every second causing energy loss.In buildings, 1/3 of the energy is lost through the conduction of glass. Energy efficiency has increasingly valued by architects and developers to minimize the energy consumption of the building. 1 Main parameters of glass energy efficiency evaluation There are usually three forms of…

  • Light pollution of glass curtain wall

    The light pollution of the glass curtain wall refers to the use of  coated glass on the curtain wall of high-rise buildings. When direct sunlight and skylight are irradiated onto the glass surface, the specular reflection (ie, specular reflection) of the glass. And the resulting reflected glare. Light pollution is the murderer of accidental traffic accidents. A glass walled building stands like a huge mirror with a width of tens of meters and a height of nearly 100 meters. It…

  • Architectural double glazed units/insulated glass

    Introduction of Morn double glazed units/Insulated glass Architectural Insulated Glass Units(double glazed units): Insulated glass,also named insulated double glazing,double glazed panels,or double glazed units,it’s made with 2 lites of single piece glass,clear/tinted/low-E coated/laminated etc and spacer(aluminium,steel,warm edge) ,as well as other accessories(desiccant,silicon)to create a insulated structure glass. The air space between 2 piece glass will increase the thermal insulation performance of the glass and decrease the overall glass U value from 5.84W/m2.K to below 2W/M2.K.When filling argon inside the glass,and…

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