中空玻璃密封材料是防止中空氣體逃逸的重要組成，“密封膠”顧名思義他主要是起密封作用的。中空玻璃的密封，中空玻璃GB/T11944-2002標準中的五項性能指標。除紫外線照射是測試中空玻璃密封膠是否含有影響視線的有機揮發(fā)物外，另外四項指標“密封性能、初始露點、高溫高濕、氣候循環(huán)”，都是檢測中空玻璃在各種環(huán)境下的密封性能的。 我們知道，一塊合格的中空玻璃產(chǎn)品不僅需要規(guī)范的操作工藝，更需要能滿足中空玻璃性能要求的密封材料，不同的中空玻璃密封膠，由于其性能的不同，所采用的生產(chǎn)工藝以及產(chǎn)品的綜合性能也不同。下面來看看中空玻璃密封膠的施工過程要注意些什么？
The insulating glass sealing material is an important component to prevent the escape of insulating gas. As the name implies, "sealant" mainly plays a sealing role. Sealing of insulating glass: five performance indexes in the standard GB/T11944-2002. In addition to ultraviolet radiation, which is used to test whether insulating glass sealant contains organic volatiles that affect vision, the other four indicators, "sealing performance, initial dew point, high temperature and high humidity, and climate cycle", are used to test the sealing performance of insulating glass in various environments. We know that a qualified insulating glass product needs not only a standardized operation process, but also a sealing material that can meet the performance requirements of the insulating glass. Different insulating glass sealants, due to their different properties, use different production processes and the comprehensive performance of the product. Now let's see what should be paid attention to during the construction of insulating glass sealant?
密封膠的施工過程也有一些嚴謹?shù)牟襟E，包括玻璃切割和清洗、隔條切割和清潔、干燥劑的選擇和充填、上隔條、合片和打膠。有些必要的環(huán)節(jié)一定要注意下：
There are also some strict steps in the sealant construction process, including glass cutting and cleaning, spacer cutting and cleaning, desiccant selection and filling, upper spacer, laminating and gluing. Some necessary links must be noted as follows:
1、雙道密封膠必需與玻璃、間隔條等兼容；第二道膠應(yīng)保證雙組份混合質(zhì)量并做蝴蝶試驗；
1. Double sealant must be compatible with glass and spacer strip; The second glue shall ensure the quality of two-component mixing and conduct butterfly test;

2、第一道密封必需做到連續(xù)均勻；
2. The first seal must be continuous and uniform;
3、第二道密封也必須做到連續(xù)均勻，中空玻璃生產(chǎn)的所有環(huán)節(jié)都會直接或間接影響中空玻璃密封膠的施工質(zhì)量。且與第一道密封膠完全接觸；
3. The second seal must also be continuous and even. All links in the production of insulating glass will directly or indirectly affect the construction quality of insulating glass sealant. And it is in full contact with the first sealant;
4、聚異丁烯膠與第二道密封結(jié)構(gòu)膠的正確比例為135間隔框擺放必需與玻璃邊緣等距離平行。有些密封膠還會摻油，由于摻油中空玻璃密封膠的熱失重大，經(jīng)過加速老化實驗，摻油中空玻璃密封膠出現(xiàn)了表面龜裂現(xiàn)象，表明其耐久性能會有較大的降低，進而對中空玻璃的使用壽命產(chǎn)生嚴重的影響。由此可見，密封膠的質(zhì)量決定著中空玻璃的真空性能。
4. The correct ratio of polyisobutylene adhesive to the second sealing structural adhesive is 135. The spacing frame must be placed parallel to the glass edge at an equal distance. Some sealants will also be mixed with oil. Because the heat loss of the oil doped insulating glass sealant is significant, the surface of the oil doped insulating glass sealant has cracked after the accelerated aging test, indicating that its durability will be greatly reduced, which will have a serious impact on the service life of the insulating glass. It can be seen that the quality of sealant determines the vacuum performance of insulating glass.
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