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    比较中空玻璃与真空玻璃的优劣势
    来源:http://www.jnjqjc.com   时间:2015-10-29 14:59:19

    中空玻璃是由两层玻璃构成,四周用高强度、高气密性复合粘结剂将玻璃与密封条、玻璃条粘接密封,中间有6-9mm的空气层充入干燥气体,边框内充以干燥剂,以保证玻璃片间空气的干燥度。
    Hollow glass is composed of two layers of glass, with high strength, high air tightness around the composite binder will be glass and sealing strip, glass adhesive sealing, there are 6-9 mm among air layer into dry gas, a border with desiccant, to ensure the dryness of the air between the glass.
    中空玻璃其特性,因留有一定的空腔,而具有相对较好的保温效果,因此在北方城市得到很广泛的使用。
    Hollow glass features, because have certain cavity, and have relatively good insulation effect, so it is widely used in the northern cities.
    真空玻璃的隔音原理利用的就是声音无法在真空中传播,既然都不能传播了,那么隔音效果自然也就是好的。
    The principle of vacuum glass sound insulation is sound cannot travel through a vacuum, since can't spread, then the sound insulation effect nature is the best.
    但实际情况并非如此。首先,完全真空的材料是不存在的;其次,窗框、密封等对隔音效果有直接的影响;第三,制造成本高;第四,实际测试,真空玻璃对低频噪声的隔音效果并不好。
    But it's actually not the case. First of all, totally vacuum material does not exist; Second, window frame, sealing and so on has a direct effect on sound insulation effect; Third, high manufacturing costs; Fourth, the actual test, vacuum glass of low-frequency noise sound insulation effect is not good.
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