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[China Glass Net] The raw materials and structures used for insulating glass are different depending on the location of the insulating glass and the purpose of use. For example, in the southern region, the annual temperature is higher and the illumination time is longer. When using insulating glass, more consideration is that the external heat can be controlled to enter the room less. When the original piece of insulating glass is selected, it will be more Considering the use of coated glass in many places; in the north, the main purpose of using insulating glass is heating and heat preservation, so it is more important to consider the use of transparent glass as the original piece of insulating glass. Where noise is required, three layers or aeration is required.
With the development of the economy, the variety of hollow glass products has also developed, and the variety of raw materials used has also increased. Such as insulating glass for curtain wall; insulating glass for automobiles and trains; insulating glass for electric appliances; insulating glass for decoration (including insulating glass for inlay, hollow glass for color crystal vertical line) and so on. All of these products, although due to different uses, use different raw materials, but the basic composition is the same, namely:
Glass - all flat glass and its deep processed products are the basic components of insulating glass;
Sealant--Sealing the edge of the insulating glass to ensure that as little water vapor as possible enters the interior of the insulating glass and prolongs the failure time of the hollow work;
Desiccant - ensure that all water vapor sealed inside the hollow glass is adsorbed cleanly, and absorbs water vapor entering the inside of the insulating glass over time to ensure the life of the insulating glass;
The spacer--controls the spacing between the inner and outer glass of the insulating glass, and controls the external water vapor to be completely isolated in this part, ensuring that the insulating glass has a reasonable space layer thickness and service life.
From the above we can see that in all the raw materials constituting the insulating glass, the performance of the sealant and the desiccant has a great influence on the service life of the insulating glass product; when considering the energy saving problem, the spacer and the sealant are The thermal conductivity performance will directly affect the edge insulation performance of the insulating glass, thus affecting the overall thermal insulation performance of the doors and windows. After decades of development, the production technology of insulating glass is constantly improving. The thermal insulation and sound insulation of the products range from the earlier welding method, welding method to cemented aluminum strip method. Great improvement. After the oil crisis of the 1970s, it was found that the edge insulation performance of the aluminum strip method was poor and must be improved to improve the overall thermal insulation performance of the insulating glass. In the early 1980s, the world's first hollow glass system was introduced, which is the hollow glass of the Swiggle strip system. This kind of insulating glass, the edge insulation performance is improved, because the sealing performance of the rubber strip is improved, the service life is longer, the overall heat insulation effect of the insulating glass is better, and the market application of the insulating glass product has a broader market. prospect.
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