Self-heating box lunch is actually the lunch box inside the water bag and packaged with non-woven heating agent **** with the results of the reaction. Once you pull the plastic tape, you will break the water bag, which is when the heating agent meets the water and a chemical reaction occurs, resulting in uniform heat dissipation of the heating agent, generating heat up to 120 ℃.
After 5-8 minutes, the temperature of the edible meal reaches 55℃-70℃. The reaction between the heating agent and water produces steam which is non-toxic and harmless.
Extended information
Self-heating boxed rice hazards
1, must strictly follow the instructions of the practice to use the heating package, and pay attention to the heating process will be open the ventilation holes, so as to allow the self-heating rice in a safe, controlled conditions to heat the food, so as not to cause explosions, steam burns accidental injuries.
2, in the case of the heating pack is not broken, the rice can be heated normally. But in the case of the heating pack is broken, there may be a safety hazard, and the heated rice will be contaminated by the substances in the heating pack, can not be eaten.
3, although self-heating rice is very convenient, but it is recommended that it is best not to eat long-term. The main harm is the lack of vitamins and additives more, it is recommended to eat more fresh fruits and vegetables to ensure a balanced diet.
4, self-heating rice contains additives, may also add preservatives, long time to eat or health hazards; lunch box in the heating, more or less will produce harmful substances; processing, storage process, very easy to be contaminated.
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