在目前国际市场上，公认的中空玻璃边缘密封系统有两种：一种是传统的冷边密封系统（槽铝式），一种是以胶条为代表的暖边密封系统（复合胶条式）。由于传统铝槽式中空玻璃产品在国际和国内应用的时间较长，因而被很多人认可，而暖边系统1997年才开始在国内推广，产品还没有被人们广泛认识。
In the current international market, there are two recognized edge sealing systems for insulating glass: one is the traditional cold edge sealing system (groove aluminum type), and the other is the warm edge sealing system represented by rubber strip (compound rubber strip type). Because the traditional aluminum trough insulating glass products have been used for a long time at home and abroad, it has been recognized by many people. However, the warm edge system began to be popularized in China only in 1997, and the products have not been widely recognized.
槽铝式双道密封中空玻璃道密封用丁基胶，具有极低的水蒸气透过率；第二道密封胶主要有聚硫胶和硅酮胶。 间隔铝框宜采用连续长管弯角式，接头处应用丁基胶做密封处理；间隔铝框如采用四角插接式，其各个接头处亦应用丁基胶做密封处理，以此做成的中空玻璃，使用寿命不如前者。当中空玻璃第二道密封胶采用硅酮胶时，不应采用四角插接式间隔铝框的中空玻璃。
Butyl rubber is used for the first sealing of aluminum double channel insulating glass, which has very low water vapor permeability; The second sealant mainly includes polysulfide sealant and silicone sealant. The aluminum frame should be of continuous long pipe bending type, and the joints should be sealed with butyl rubber; If the aluminum frame is of four corner plug-in type, the joints are sealed with butyl rubber. The service life of the insulating glass made of this type is not as long as that of the former. When silicone sealant is used for the second layer of insulating glass, the insulating glass with four corner plug-in aluminum frame should not be used.

单道密封中空玻璃是难以满足中空玻璃的密封性能的。为弥补这些胶的密封性能的不足，通常采用水汽透过率极低，但结构性差的聚异丁烯胶作为中空玻璃的道密封胶，以阻止潮气向中空玻璃内渗透，这就是传统的大家熟悉的双道密封中空玻璃的生产工艺。
It is difficult to meet the sealing performance of insulating glass with single seal. In order to make up for the lack of sealing performance of these adhesives, polyisobutylene adhesive with extremely low water vapor permeability but poor structure is usually used as the first sealant of insulating glass to prevent moisture from penetrating into the insulating glass. This is the traditional production process of double sealing insulating glass.
由于双道密封中空玻璃所采用的二种密封胶各自性能上的缺陷，只能采用两者结合的方式（即双道密封式）才能满足中空玻璃的密封性和结构性指标。现在有一些新型中空玻璃密封胶：结构型热熔丁基密封胶。
Due to the defects of the two kinds of sealants used in the double sealing insulating glass, the sealing and structural indexes of the insulating glass can only be met by the combination of the two kinds of sealants. Now there are some new insulating glass sealant: structural hot melt butyl sealant.
中空玻璃打胶机主要用于中空玻璃的打胶环节，也就是我们平时所说的密封环节。中空玻璃打胶机主要针对中空玻璃的道密封。使用专用设备将热熔丁基胶加热熔化后，用中空玻璃打胶机将丁基胶涂至中空玻璃的涂胶部位。这个打胶速度要掌握好，因为丁基胶几分钟就冷却定型，打胶速度不宜过快过慢。过快的情况下很容易导致打胶不饱满，日后影响中空玻璃的密封问题。过慢的情况下影响中空玻璃打胶机的工作效率问题。
The insulating glass gluing machine is mainly used for the gluing link of insulating glass, which is what we usually call the sealing link. Insulating glass glue machine is mainly for the first sealing of insulating glass. Use special equipment to heat and melt the hot-melt butyl rubber, and then use insulating glass beater to apply butyl rubber to the gluing part of insulating glass. This tapping speed should be controlled well, because butyl rubber will cool and set in a few minutes, and the tapping speed should not be too fast or too slow. If it is too fast, it is easy to lead to insufficient gluing, which will affect the sealing of insulating glass in the future. Too slow affects the efficiency of the insulating glass glue machine.
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