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挡水条为什么做空心的
更新时间: 2021-01-26 11:23:41  

防止发生变色。挡水条是为了防止水分的侵入,之所以作成空心的,是因为在使用的过程中,不会担心材质因为使用时间过久而导致变色。一般而言,材质内部实心部位会作成白色或者米白色,由于质地细致密度不高,用久了以后常见的问题就是发黄变色,而且整个材质的质量也会下降,会出现裂开的现象。而这些问题在使用空心防水条以后就不会出现这样的问题,还会延长使用寿命。

关键词: 为什么 空心

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