date:Feb 04, 2016
is used to insulate the container. Anhydrous calcium chloride salt is placed in the chamber. The lower region of the cup contains a water reservoir. Heat is generated by reacting calcium chloride with water. To initiate the reaction, the package is first turned upside down, and pushed on the pin which ruptures the calcium chloride chamber. Water then flows into the calcium chloride chamber and the resulting reaction generates heat.
Spin-off technology from the military meals-ready-to-eat (MRE)