7/4/2020 · Self-heating cans work through an exothermic chemical reaction between two chemicals. popular combinations are aluminum and silica, calcium oxide and water, and copper sulfate and zinc. When the two substances combine, the reaction produces enough heat to raise the temperature of the can. The two component chemicals are released by pressing a ...
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Self-Heating Substances chemicals can be handled and stored safely as long as all exposure to moisture or other incompatible chemicals is minimized. Never leave a container with a residue of a Self-Heating Substance material open to the atmosphere.
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