There is lime powder in the self-heating bag of self-service hot pot. The calcium hydroxide in the lime powder will cause chemical changes when it meets water, releasing energy to generate water vapor, thereby boiling food. This kind of vapor is not harmful, and there is no need to worry about any adverse reactions. It is possible to learn to stop taking it. However, be careful not to touch the fire during use, and do not use it in a closed space. Once it comes into contact with fire, or is used in a small, closed environment such as a vehicle, it may cause a fire accident and lead to an impossible disaster. In addition, minors can use it under adult leadership.

After use, these self-heating bags should also avoid direct contact with water. You may throw them into the trash can. However, after cooling, be careful not to touch them before cooling. Use fire to prevent fire accidents.

Self-heating bags are generally used in fast food, so how should they be used in self-heating hotpots?

1. Put the hot pot sauce (unsalted butter or vegetable oil) at the bottom of the lunch box.

2. Put the food you need in the lunch box, such as noodles, sausages, fruits and vegetables.

3. Put some cold water in the lunch box. The amount of water should not be more than that of all fresh noodles, but it should not exceed the water level of the lunch box.

4. Place the self-heating bag in the matching position and add some cold water, which must be cold water.

5. Close the lid tightly and the self-heating bag of the self-service hot pot starts to heat up. The appropriate heating time is twenty minutes. Be careful not to heat the glass table immediately. After twenty minutes, the aroma will overflow. Open the lid, add sesame oil, mix well, and you may start to enjoy delicious food.

The above is for the use of self-heating bags in self-heating hotpots. It can also be used in other instant foods. However, it must be used according to the requirements and pay attention during use.