Disposable Hand Warmers
The Heat Factory hand warmers are made from:Iron powder, water, vermiculite, active carbon, and salt. To find out further about the contents and chemistry of the hand warmer, search below.
The Hand Warmer
History
How do they work?
Experiment
Buy the product
Chemical Components of the Hand Warmer
Iron Dust and Oxegen
Active Carbon
Vermiculite
Hand Warmer Resources