Now more and more people know information about vacuum glass, also vacuum glass is gradually accepted by people in their house renovation, and theuy have good experience brought by vacuum glass in terms of sound reduction, heat insulation and noise reduction! "In fact, many people don't know how to distinguish between hollow glass and vacuum glass. Many people mistake insulating glass for vacuum glass, Now let's take a look at the difference between vacuum glass and hollow glass. What a difference! Firstly look at the front:
If you put the vacuum insulated glass and hollow glass in your hand, the most obvious difference is the thickness. Although both are two pieces of glass, the thickness of the intermediate layer of the two types of glass is very different: the howllow glass is generally about 10mm, and the thickness is 20mm; but the vacuum glass is only 0.1~0.2mm. In addition to two pieces of flat glass and a vacuum layer, the vacuum glass will have a small support in the middle, and the surrounding is sealed with a high sealing material to ensure the vacuum of the vacuum layer. There will also be a vacuum suction port and a getter
The principle of vacuum insulated glass is similar to that of a thermos. In theory, only a thin layer of vacuum is needed to completely block the transmission of sound, and also block conduction and convection in the heat transfer method. Therefore, since the two pieces of vacuum glass are in a state close to vacuum, compared with the same hollow glass, it has more obvious effects of heat preservation, heat insulation, sound insulation and noise reduction. How obvious can the effect be? The weighted sound insulation of single vacuum glass reaches 37 decibels, and the composite vacuum glass (vacuum and howllow compound) can reach up to 42 decibels, which is far better than the 29 decibels of howllow glass. The sensitive frequency of human hearing is 1000-5000Hz, and every 5 decibels will make people's hearing feel different by 3-4 times. Vacuum glass can effectively block the transmission of sound, especially for medium and low frequencies with strong penetrability, such as Traffic noise is better.
For thermal insulation performance, we usually use the heat transfer coefficient to measure. The lower the heat transfer coefficient means, the poorer the heat transfer effect and the better the thermal insulation performance. The total thickness of vacuum glass is only over 10mm, and its heat transfer coefficient can reach 0.4~0.6W/(㎡·K), while the best performance of insulating glass on the market can reach 1.5W/(㎡·K). In other words, the thermal insulation capacity of vacuum glass can reach 2 to 4 times that of howllow glass, and the difference is quite obvious.
In addition to the two biggest advantages of sound insulation and noise reduction and heat insulation and cold insulation, vacuum glass also has the characteristics of dust and haze prevention, health and energy saving, anti-condensation, light and thin structure, and a wide range of applications. From the application point of view, due to the thermal insulation and sound insulation properties of vacuum glass, it can achieve very good energy-saving effect when used in building doors and windows. In buildings, doors and windows are the bulk of building heat leakage, accounting for 30% to 50% of building energy loss. The application of vacuum insulated glass can significantly reduce the heat loss of the building, maintain a constant indoor temperature, block external noise, stay away from dust and haze pollution, and bring a comfortable, quiet and healthy indoor environment to the occupants.
In addition, vacuum insulated glass is also suitable for many other occasions, including freezers, glass display cabinets, various glass stoves and so on. In general, vacuum insulated glass is an upgraded version of traditional insulating glass, with excellent performance that traditional glass is difficult to achieve, and has a very strong competitiveness in the trend of future building upgrades and product upgrades.
Zerothermo focus on vacuum technology for more than 20 years, our main products : vacuum insulation panels based on fumed silica core material for vaccine, medical, cold chain logistics, freezer, integrated vacuum insulation and decoration panel, vacuum glass, vacuum insulated doors and windows. If you want to learn more information about Zerothermo vacuum insulation panels, please feel free to contact us, also you are welcome to visit to our factory.
Sale manager: Mike Xu
Phone :+86 13378245612/13880795380
E-mail:mike@zerothermo.com
Website:https://www.zerothermovip.com
Post time: Nov-15-2022
