In this video we show how Flameless Ration Heaters and self heating food containers work.

Inside of them is a water activated exothermic chemical reaction. The most common one is magnesium iron alloy and salt. When water is activated it produces magnesium hydroxide and plenty of heat. Less common mixtures include sodium hydroxide and aluminum, magnesium metal and sodium bisulfate, aluminum and calcium hydroxide, and calcium oxide alone with water.


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