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白石膏粉加水要多久才会凝固

更新时间: 2020-09-19 00:00:00     

白石膏粉的初凝固化时间是6分钟,终凝固化时间是36分钟。让石膏凝固速度降慢的方法是加水时使用温度较低的凉水,水越凉凝固速度就越慢,反之凝固速度越快。熟石膏加水后调制的浆状物会逐渐凝固成硬块,这一过程会放出大量热量,使熟石膏与水互相连接成一块多孔的固体。

关键词: 石膏 多久 凝固

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