The question of hand warmer safety pertains to potential hazards associated with their use. These range from burns due to prolonged contact or malfunctioning devices to concerns regarding fuel safety and ventilation... Read more »
Catalytic hand warmers, like those produced by Zippo, generate heat through the catalytic oxidation of lighter fluid (naphtha). A burner within the device vaporizes the fuel, which then passes over a platinum... Read more »
The question of relative heat output between shorter-duration and longer-duration catalytic hand warmers hinges on understanding the difference between heat intensity and heat duration. While a shorter-duration warmer, such as a six-hour... Read more »