The majority of human beings prefer a warm meal over one that is cold, particularly when they're under the weather that is cold or damp. Sucking up hot spaghetti that is cold or stew is not fun. Hot food is, however, can boost the spirits of soldiers.
Due to the importance of having hot food and a hot meal, every military MRE comes with a heating element that is not flammable. The flameless heater makes use of an easy chemical reaction that produces enough heat to cook the food. If you are looking for such heaters, you can also order a reliable flameless heating system online.
Chemical heating is an extremely common natural phenomenon. We've all observed iron rust. Rust is an organic process that occurs when iron atoms mix with oxygen atoms, resulting in the reddish, crumbly iron oxide. It is typically slow, however, we are aware that iron that is wet is more prone to rust. Iron exposed to ocean salts is the most prone to rust.
As iron rusts The process of oxidation produces heat. However, rust develops at a rate so slow that the heat produced is not noticeable. We're all aware of more rapid oxidation reactions too. For instance the moment you "oxidize" carbon atoms within the charcoal in briquettes, they can get very hot. The term "burning" refers to this fast kind of oxidation.
The principle behind a non-flooding heater is to make use of the process of oxidation to create heat. Magnesium metal is more efficient than iron since it can rust much faster. To make a heater that is not flammable the magnesium dust is mixed with salt and iron dust, which is placed in a fine soft, flexible pad approximately the size of an ordinary playing card.