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、先將氫氧化鈉倒入水中，攪和成堿溶液（這個進程必定不要讓燒堿弄到肌膚上面，防止損害肌膚）。

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、堿溶液的溫度降到和室內溫度相同的時分，加入廢油，再攪和3~5分鐘。

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（家里經常用的，比方塑料盒、首飾盒等），3~5天就能夠凝結。

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、凝結后，再風干它半個月，就能夠運用了。

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

5、若是想要有色彩或許香味，能夠參加色素，香精。

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

大家在學習了上述關于氫氧化鈉制造肥皂的進程的相關知識，希望對大家能有所幫助，另外，在使用的時候一定

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。如果大家已經學會了，就可以現在就動手試一試，一定有意想不到的收獲。

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