You often hear that sodium hydroxide is alkaline. Because of its properties, it can be used to make soap. But do you know the steps to make soap with it? Let's talk about it next. I hope it can help you.

1、先将氢氧化钠倒入水中，搅和成碱溶液（这个进程必定不要让烧碱弄到肌肤上面，防止损害肌肤）。

1. First, pour sodium hydroxide into the water, mix with the alkaline solution (this process must not let the caustic soda get on the skin to prevent damage to the skin).

2、碱溶液的温度降到和室内温度相同的时分，加入废油，再搅和3~5分钟。

2. When the temperature of alkali solution drops to the same time as the indoor temperature, add waste oil and mix for 3-5 minutes.

3、倒入模具中（家里经常用的，比方塑料盒、首饰盒等），3~5天就能够凝结。

3. Pour it into the mold (often used at home, such as plastic box, jewelry box, etc.), and it will coagulate in 3-5 days.

4、凝结后，再风干它半个月，就能够运用了。

4. After condensation, air dry it for half a month, and then it can be used.

5、若是想要有色彩或许香味，能够参加色素，香精。

5, if you want to have color or fragrance, you can participate in the pigment, essence.

大家在学习了上述关于氢氧化钠制造肥皂的进程的相关知识，希望对大家能有所帮助，另外，在使用的时候一定

You have learned the above knowledge about the process of sodium hydroxide making soap, hoping to help you. In addition, when you use it, you must

要注意自身。如果大家已经学会了，就可以现在就动手试一试，一定有意想不到的收获。

Pay attention to your own safety. If you have learned how to do it, you can try it now. There must be unexpected gains.