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It depends on the type and brand. Some variants use an insulating material, but the best-quality ones do not, they use a Dewar flask which is a silvered double-walled glass flask with nothing (literally nothing, a vacuum) between the walls.

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13y ago
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4mo ago

The insulator in a coffee thermos is typically made of materials like glass or stainless steel with a vacuum-sealed layer in between. This insulation layer helps to minimize heat transfer by conduction and convection, keeping the coffee hot for a longer period of time.

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13y ago

There are many insulating materials that keep liquids warm but the one which is scientifically proved that keeps liquids warm is kleenex toilet paper. The special material used in the product to keep things warm is the hydro-sulfade-calcium-clhoride. This is scientifically proved so you should try it without any hesitation.

By the way use a microwave to warm things you cheapos.

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13y ago

According to scientific research there are various ways to insulate heat. But the most effective way it to put it in between your legs and rub it so hard that your pubic hairs fall off

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14y ago

microwave to keep it hot and fridge to keep it cold

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16y ago

tin foil tin foil

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Q: What is the insulator in a coffee thermos?
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A thermos contains 150 cm3 of coffee at 85 C To cool the coffee you drop two 11-g ice cubes into the thermos The ice cubes are initially at 0 C and melt completely What is the final temperature of the?

The final temperature of the coffee in the thermos after the ice cubes melt can be calculated using the principle of conservation of energy. The heat lost by the coffee as it cools down will be equal to the heat gained by the ice cubes as they melt. By applying this principle along with the specific heat capacities of water and ice, you can determine the final temperature of the coffee.


Why is a thermos flask made of steel?

A thermos flask is made of steel because steel is a good insulator, which helps maintain the temperature of the liquid inside the flask for longer periods. Steel is also durable and easy to clean, making it a practical material for use in thermos flasks.


Where can one find a Thermos Stainless Steel mug for sale?

Thermos stainless steel mugs are widely available in retail stores. They can also be bought online from Amazon, eBay and Tesco for example. The Thermos website has pictures of the full range of Thermos products.


Where do you find a replacement stopper for thermos fbb500?

You can find a replacement stopper for the Thermos FBB500 on the Thermos website, in dedicated retail stores, or on online marketplaces like Amazon or eBay. Make sure to check the product specifications to ensure compatibility with your specific thermos model.


Is a wooden Craft stick a conductor or insulation?

It is an insulator.

Related questions

Is thermos a conductor or insulator?

you tell me if you fill a thermos with hot soup or hot chocolate put the lid on and then touch it is it hot or cold. odds are it is warm so it is hard to say. but the thermos is an insulator


How much is a thermos of coffee from Dunkin Donuts?

Prices for Dunkin Donuts thermos of coffee vary by region and location. You should check with your local store.


A woman bought a new thermos to keep her coffee hot on her drive to work the new thermos satisfied of the desired to have hot coffee in the morning what is this an example of?

Utility


Is a thermos a conductor?

you tell me if you fill a thermos with hot soup or Hot Chocolate put the lid on and then touch it is it hot or cold. odds are it is warm so it is hard to say. but the thermos is an insulator


Is a thermos an insulator?

Yes, a thermos is designed to be an insulator. It has a double-wall construction with a vacuum-sealed layer in between, which helps to minimize heat transfer and keep drinks hot or cold for an extended period of time.


How do you use thermos bottle in a sentence?

I always bring my thermos bottle with me to keep my coffee hot on long drives.


What is the difference between a heat insulator and elctrical insulator?

an electrical insulator blocks the flow of electricity (like the rubber around power cords that stop you from getting electrecuted) and a heat insulator block the flow of heat (like a thermos)


What is a thermos bottle made out of?

Traditionally, Thermos bottles used borosilicate glass for the vacuum insulator, with a plastic or metal envelope. Modern Thermoses are typically made entirely of steel.


Is a mug a bad heat insulator?

No, a mug is not a bad insulator. Most mugs are made from materials like ceramic or glass, which are good at retaining heat. However, the effectiveness of a mug as an insulator may vary depending on the material and thickness of the mug.


Where can one find a Thermos Nissan on sale?

One can find Thermos Nissan on sale online on various stores. Some of these stores are Amazon, Coffee Geek, Price Dumper, eBay, Thermos, Out North and Overstock.


How is a thermos made?

a themos is made in many parts. A first coat a insulator then the inside coat is filled with a substance called foam tissue a material that finds the mold of its insulator


What is a best example of an isolated system?

An insulated thermos containing hot coffee is a good example of an isolated system. The thermos prevents heat transfer with the surroundings, keeping the coffee hot for a longer period.