Some Frequently Asked Questions About Vacuum Bottle
A vacuum bottle is a storage vessel that keeps the liquid content stored within insulated from the outside world. It lengthens the period of time over which the content inside the bottle remains at the same temperature it was stored in.
Vacuum bottles are made of two walls, which contain an air layer between them known as the vacuum. A vacuum bottle, also known as a thermos bottle, is used for keeping hot beverages hot and chilled drinks cold for a long period.