Traditional Culture Encyclopedia - Traditional festivals - Why is the thermal insulation performance of thermos cups generally inferior to that of thermos bottles?
Why is the thermal insulation performance of thermos cups generally inferior to that of thermos bottles?
Even if there are common problems, it is because the needs of this society are like this. The thermos cup needed by this society is convenient and relatively low in price. Then the manufacturers who design and sell it also have this consideration. As for the kettle, it pays more attention to practicality, that is, its thermal insulation characteristics. Therefore, the directionality of the two main products is different, so its thermal insulation degree is also different.
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