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Stainless steel with a hollow air core vacuum sealed is the best. Stanley is one of the best.

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Q: What is the best material thermos to keep water warm?
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Related questions

Do thermos cup or styrofoam cup keep water hotter?

thermos cup


Why some thermos bottles are good for 24 hours but others are for 48 hours?

A thermos is only good because of the material it is made with. A thicker material will keep whatever is inside cold or warm longer.


How do you keep a glass of hot water hot for a long time?

keep it in a hot place


What insulation material can keep objects cool?

A vacuum is a good insulator so a "thermos" bottle will keep liquids 8or solids) cool for a while.


Could you please use the science word thermos in a sentence?

They kept the liquid nitrogen in a thermos so it stayed cold. They used a thermos of oil to keep the sodium from contacting air and water.


What is the best way to keep water warm without using a heating object?

The best way to do so be be to use a good thermal insulator. A thermos flask would suit this purpose.


Can a thermos or glass cup keep liquids hotter longer?

This will depend upon the Thermos, but in general a thermos will keep hot liquids hotter for longer. This is because the Thermos has stronger insulating properties.


How do you keep water hot?

A Thermos/vacuum flask is probably the best for small volumes of hot water (1 - 2 pints) After that any receptacle that is well insulated will maintain the temperature for a limited time.


How are the Thermos travel mugs insulated?

They are closed by lids that are very secure, and made out of hard material. Also the inside will keep the drink warm inside due to the way the material was made.


How do you keep hot water warm outside in the cold?

Using a Thermos would be a best option. It serves kind of isolated system thus trapping the heat within it for longer period.


Which one would keep water warmer for a longer amount of time a glass jar or thermos?

put it in a freezer


What will keep your pasta warm at school?

A thermos bottle (Actually a thermos container, which has a wider lid) will work.