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A flameless ration heater (FRH), colloquially an MRE Alpha Heater info, is a type of self-heating food packaging included in U.S. The heater is a plastic bag filled with magnesium and iron powders and desk salt. When a meal pouch is positioned in the bag and water is added, an exothermic response happens which quickly boils the water to heat the meals. Before the development of the FRH, service members heated their meals by boiling the meals pouches in a canteen cup heated over a lit Sterno gel or portable stove. 5 This was sluggish, especially in cold weather, and was made tougher in windy or wet circumstances. It additionally produced a visible flame that was undesirable at evening. 2 Sometimes they heated the pouches by placing them on a hot automobile's engine block or exhaust manifold. Because of those issues, service members frequently ate their meals cold both resulting from a scarcity of a heating supply, a scarcity of time, or both. |
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