: The can or pouch has two separate compartments. One holds the drink, while the other contains a heating agent (like calcium oxide, also known as quicklime) and a separate capsule of water.
Self-heating drinks are innovative beverages that use built-in technology to reach an ideal drinking temperature without a microwave or stove. They are primarily used by hikers, commuters, and emergency responders who need hot coffee, tea, or cocoa on the go. How They Work self heating drinks you can buy
Most self-heating beverages use to generate heat: : The can or pouch has two separate compartments
Several brands currently offer ready-to-drink options or kits: a seal breaks
: When you press the bottom of the container or twist a mechanism, a seal breaks, allowing the water and heating agent to mix.