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What are self-heating food packages?

Updated: 11/10/2022
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Wiki User

10y ago

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Some instant meal pouches come with two chemicals in a wall of the pouch with a barrier or membrane between them keeping them separated. When it's time to heat up your meal, you break the barrier between the chemicals. When they come in contact with each other, an exothermic chemical reaction takes place. That is a chemical reaction that gives off heat.

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Van Von

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2y ago
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