![]() ![]() This can lead to a breakdown of the materials that make up the hand warmer, and could also cause damage to your microwave oven. Hand warmers are generally filled with iron filings, or other metal objects, which can spark or even cause a fire when heated in a microwave oven.Īdditionally, the gel or liquid that is used in most hand warmers is flammable and can also pose a fire hazard when heated in a microwave.įurthermore, hand warmers are designed to contain heat they contain insulating material and metal, neither of which is safe to place in a microwave. No, it is not a good idea to microwave hand warmers. Is it a good idea to microwave hand warmers? Whatever the case, make sure to follow the instructions carefully in order to get the most out of your reusable hand warmer. ![]() Some hand warmers may come with their own specific instructions on how they need to be reheated others may need to be placed in the microwave. Once cooled, the warmer is ready to be used again.ĭepending on the type of hand warmer, some may require different methods of reheating, so it’s important to read the product instructions carefully. Once the warmer has been submerged for the desired amount of time, take it out of the water and place it in a bowl of cold water to cool. To reheat these types of hand warmers, all you need to do is submerge the entire warmer, including the metal disk, in boiling water for 10-15 minutes. The most common type of reusable hand warmers use a combination of water and a sealed metal disk. ![]()
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