Traditional Culture Encyclopedia - Traditional virtues - What is the cylinder in the middle of the Japanese cold kettle?
What is the cylinder in the middle of the Japanese cold kettle?
Inner container. According to Life News, the function of the inner container is to isolate heat transfer, thus helping to keep the temperature of the liquid. It is made of stainless steel, glass or other heat insulation materials, and has good heat insulation performance. The surface of the liner will be specially treated to increase the heat insulation effect. By using a cylindrical inner container in the cold water tank, the heat loss of cooling or heating the liquid can be minimized. Cold water or hot water in a cold water pot can keep its initial temperature for a long time.
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