Before the 1930s there was only single glazing, but by the 1950s it was quite popular in the United States to have double glazing. In 2013 over 80% of homes in the UK are now at least partially double glazed. Some even have triple glazing. For now, as energy problem become more important and nations require further intensify energy-saving work, vacuum glazing has come onto the historical stage gradually in virtue of its premium performance on heat insulation, sound insulation, wind resistance and long life.
But why? Why would people need vacuum glazing?
Pure and simple-People want to save energy, and regulate the temperature in home.
Vacuum glazing (VG) is an innovative architectural glass that combines vacuum technology with exceptional insulation performance, even rivaling that of traditional walls. That is to say, vacuum layer between glasses is able to enhance the insulation performance of glass configuration with unparalleled R-values close to those of a traditional wall.
So how does vacuum glazing reduce energy loss?
Vacuum glass consists of two pane of 6mm tempered glass separated by a 0.4mm vacuum layer. The unit`s slim construction and light weight allows it to be incorporated into virtually any traditional glazing system, window frame or curtain wall application. Vacuum glazing enhances the performance of any glass configuration by effectively blocking thermal transmission, delivering thermal insulation performance that is 2-4 times better than conventional insulating glass and 6-10 times better than monolithic glass.
Our tempered vacuum glass is separated by a 0.2mm high support, and the edges of the two glass panes are sealed with low temperature glass, and then the air in it is exhausted. The vacuum degree between the glass is 10-4Pa, so the heat convection does not exist, the heat conduction is reduced to the limit, and the LOW-E layer reflects more than 95% of the infrared radiation, so the heat between the inner and outer glass plates cannot be exchanged, achieving the excellent thermal insulation effect.
Energy saving isn`t the only reason to install vacuum glazing – there are other benefits:
◈Most vacuum glazing is fitted in windows frames – no more painting!
◈Sound proof - the vacuum layer of vacuum glazing reduces the noise coming into the room. Noise reduction can be up to 38dBs-42dBs. Soundproofing is becoming ever more important in modern buildings. As many people live in inner cities or near busy roads, it is important to make sure that people are exposed to as little environmental noise as possible.
◈Vacuum glazing is anti-condensation(no condensation when the temperature difference between indoor and outdoor is more than 70). And the ultra-low dew point gives the building doors and windows a transparent visual effect.
◈Strong wind resistance - Tempered vacuum glass is an ultra-thin material formed by connecting two pieces of tempered glass and titanium alloy under atmospheric pressure. It has high resistance to deformation under the action of external force. Our industrial tempered vacuum glass technology has improved its wind pressure resistance and strength, withstanding grade 9 wind pressure.