Microwaves have made our lives much simpler and more pleasant. Microwaves have saved us from having to wait several minutes for our meals to heat up. However, we cannot simply set any container or dish in the microwave and heat it. Only microwave-safe items should be used.
According to our research, metals and stainless steel are terrible choices in this regard. But, what about the thermos? Can you microwave thermos? Is thermos microwave safe?
Let’s get to the bottom of it.
Is Thermos Microwave Safe?
The use of stainless steel thermoses in the microwave is generally not recommended. On the other hand, a thermos is not strictly prohibited, unlike other products. If used carefully, they can be microwaved without harming the thermos or the microwave.
As a result, compared to other stainless steel containers, thermos can be microwaved with reduced danger of damage. If you’re not sure why you should use them or how to protect yourself while doing so, look over the points below.
Microwave to Thermos
Since thermos is made of the same material as stainless steel, it reflects rather than absorbs the heat from the oven. Because of this, microwave electrons are attracted to stainless steel containers, especially those with sharp edges, resulting in an overabundance of charged particles that produce arcing and crackling.
On the other hand, the thermos is less likely to respond in the same way if you take the proper precautions. Follow these simple steps.
- Thermoses are equipped with openable lids. As a result, always open the cover before putting the thermos in the microwave. As a result, heat waves will pass through the aperture and into the meal.
- Always try to get the thermos to a consistent temperature by heating it a little earlier. While this may cause gradual heating, it is completely safe, and the electrons will not be easily charged.
As a result, you can safely use a thermos if the cover is left off. The heating process will not be completed as quickly or consistently in a plastic or ceramic container.
Related: Can You Microwave Baby Bottles?
How to Heat a Thermos Safely?
It’s not a good idea to microwave a thermos, there is one tried and true method for keeping your meal or drink hot for hours.
Follow these procedures to pre-heat your thermos:
- Bring some water to a boil in a different container on the stove or microwave.
- Fill your clean, empty thermos halfway with boiling water.
- When pouring the water into the thermos, make sure you don’t burn yourself!
- Set aside for 5-10 minutes with the thermos lid on.
- Remove the lid from the water container and pour out the contents.
- Dry the inside of the thermos with a towel as rapidly as possible. Be careful because the metal inside the thermos is quite hot!
- Fill the thermos halfway with hot food or drink and fasten the cover.
- Enjoy your hot food or beverage whenever you want!
The only method to keep your meal or drink warm for more than a few hours seems to be to pre-heat your thermos.
Depending on the thermos you purchase, your meal or drink could stay hot or at least heated for 5 to 14 hours!
Given these factors, it’s reasonable to conclude that the optimum way to heat a thermos is to fill it halfway with boiling water before adding your hot meal or beverage.
Related: Can You Microwave Tervis?
What makes thermos unique and safer?
After reading the above facts, you must be wondering why thermos is an exception. There are two explanations for this. i.e.
- Although thermos, like any other stainless steel container, reflect microwaves, the thickness of the metal covering makes them safer. They’re thicker, so they don’t heat up as quickly as thin layered metals, and they don’t produce an unwelcome arc, sparks, or fire. Furthermore, even heating the insides of a thermos takes a long time, and there is minimal chance of overheating with the top open.
- Another reason for their popularity is their shape and smooth surface. Arcing occurs when charged particles migrate up to the corners of a product with sharp edges and bumps. Sparks and explosions are less likely as a result of this. On the other hand, the thermos has a smooth, non-sharpened surface.
Consequently, provided the lid is maintained open, we can safely use thermoses in the microwave. On the other hand, using a thermos appears ineffective because it takes a long time to heat up. Other materials, such as plastics and ceramics, would be a better alternative in this case. Furthermore, stainless steel and microwave compatibility are always a concern.
Conclusion
Can you microwave thermos? Conclusively, you can’t microwave thermos because most thermoses are made of stainless steel, it is not recommended that they be microwaved.
Microwaving stainless steel may cause it to corrode. It could even catch fire in the microwave and the thermos!
Recommended Posts:
Best Microwave Under $100 – Reviews & Buyer’s Guide
12 Best Microwaves in the Market – Reviews & Buyer’s Guide
Best Built-In Microwave – Reviews & Buying Guide
Hey! I’m Camila Carter, a dedicated writer of this beautiful blog. Here, I write to provide you the unbiased reviews and buying guides for the very best of microwaves found in the market. I hope you love to read my articles as much as I love to write them for you.