What is Air activated hand warmers?
Air activated hand warmers contain cellulose, iron, water, activated carbon (evenly distributes heat), vermiculite (water reservoir) and salt (catalyst) and produce heat from the exothermic oxidation of iron when exposed to air. They typically emit heat f Read More »
How the gel heat pack works
The gel reusable heat pack contains a solution of Sodium Acetate (a form of Salt) in a sealed plastic bag. On flexing the small metal disc inside the pad a molecular reaction is started causing the solution to crystallize.Starting this chain reaction cau Read More »