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水玻璃是什么
更新时间: 2020-11-27 12:21:35  

水玻璃是硅酸钠的水溶液。硅酸钠是纯净物,水玻璃是混合物,其作用特别广泛,放入倒热水中直接隐藏起来,水玻璃怕水却能把火防,水泥加入水玻璃就能快速凝固,由于水玻璃可以使水泥在短时间内发生凝固也可以使混合后的砂浆比原来的凝固时间缩短,还可以用在水泥船体的快速堵漏、修补、排除或者抢救险情。其生产方法是将石英和纯碱按照一定比例混合后在反射炉中,加热到1400摄氏度左右,就可以生成融状硅酸钠。

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