Can vacuum cups be used to make tea?
A vacuum cup is generally a water container made of ceramic or stainless steel and vacuum layer, with a lid at the top and a tight seal. The vacuum insulation layer can delay the heat dissipation of water and other liquids in the interior, so as to achieve the purpose of heat preservation. A thermos water bottle is developed from a vacuum bottle, and its heat preservation principle is the same as that of a vacuum bottle, except that people make the bottle into a cup for convenience. Function of vacuum cups The appearance of the vacuum cup is bright and clean without peculiar smell. After pouring boiled water, if the exterior of the hot water flask is not hot, then it is a good flask. The inner and outer parts of the vacuum cup are made of stainless steel and refined by advanced vacuum pumping technology. It has elegant shape, seamless inner container, good sealing and heat preservation performance. You can put ice cubes or hot drinks...