To use a microwaveable hand warmer, heat it in the microwave for approximately 30 seconds. It should stay warm for about 25-30 minutes.
Here's a more detailed breakdown:
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Heating Instructions:
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Ensure it's microwaveable: Check the hand warmer's packaging or label to confirm it is specifically designed for microwave use. Some hand warmers are not microwaveable and could be damaged or pose a safety risk.
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Clean the microwave: Make sure your microwave is clean to avoid any unwanted smells or residue transferring to the hand warmer.
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Microwave in short intervals: Start with 30 seconds on medium power.
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Check the temperature: Carefully remove the hand warmer and check its temperature. If it's not warm enough, microwave it for another 10-15 seconds at a time, until you achieve the desired warmth. Do not overheat.
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Avoid overheating: Overheating can damage the hand warmer or even cause it to burst. Follow the manufacturer's instructions carefully.
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Maintaining Moisture:
To prevent the hand warmer from drying out with repeated use, especially if it contains wheat or similar materials, place a small bowl of water in the microwave alongside it during heating. This will help maintain moisture and prolong its lifespan.
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Safety Precautions:
- Always supervise: Never leave the hand warmer unattended while microwaving.
- Do not overheat: Overheating can cause burns or damage the hand warmer.
- Check for damage: Before each use, inspect the hand warmer for any signs of damage, such as tears or leaks. If damaged, discard it properly.