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Make double skinned glass flask create vacuum betwen skins coat interior with reflective material and seal opening witha good insulator eg. cork

you have now minimised heat transfer by conduction, radiation and convection

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14y ago

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Can you put soda in a thermos?

Yes, you can put soda in a thermos. However, be cautious with carbonated drinks as they can build up pressure and potentially cause the thermos to leak or burst open. Make sure the thermos is designed to handle carbonated beverages.


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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.


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