- NEVERCOLD hand warmers are small bags made of porous material that contains a mixture of vermiculite, iron and wood powder, active carbon and salt
- when the bag is opened, the mixture reacts with air to form heat - the reaction continues for 6 - 7 hours
- the heat generation may be interrupted by moving the bag to an oxygen-free place, e.g. in an airtight minigrip bag, allowing the hand warmer to be used later
- used inside the gloves as a comfortable and efficient additional heat source
- the hand warmer can be placed in desired position to warm palms or fingertips
- may be used for many other purposes such as keeping a cell phone, a camera or other electronic devices warm in freezing conditions
Features:
- activates when the package is opened and contact with air is sufficient
- reaches operating temperature in about 5 minutes
- operating time 7 hours
- average temperature 57 °C
- two heaters per package
