What Are Flameless Ration Heaters Made Of?
What Are Flameless Ration Heaters Made Of? The heater is a simple combination of powdered food grade iron and magnesium, salt, and water. When water is poured onto the included heater pad, the heater releases enough heat to warm-up the pre-cooked meal to 100+ degrees Fahrenheit in approximately 12 minutes. How do you make a