How to test the air-activated disposable hand warmer in lab?
The requirements of test environment: Stable temperature 25±1°C, windless, Humidity: 50-60%…
How does the quality of Iron Powder effect Warmers/Patches?
Air-activated Warmers/Patches is based on the exothermic principle of iron oxidation: a process in…
How to choose the plastic bag of air-activated warmers? Aluminum foil plastic bag is good for air-activated warmers?
The air-activated product is different from other regular product’s…
How Our Hand warmer Works?
In fact, heating equipment is essential for winter sports enthusiasts. And a portable self-heating hand warmer is undoubtedly a very good choice…
What’s the heating principle of hand warmers? What’s the function of each raw materials in heat packs?
The air activated heat packs is more and more popular in our daily life, such as hand warmer…