In fact, for vacuum insulated cups, the length of holding time depends on the structure of the cup body and the thickness of the cup material.
Generally speaking, the thinner the cup material, the longer the holding time. But the cup body is easy to be damaged and deformed, which affects the service life; measures such as metal film and copper plating on the outer layer of the vacuum cup can also increase the degree of heat preservation; large capacity and small diameter vacuum cups have a longer heat preservation time, on the contrary, small capacity , The large-caliber vacuum insulation cup has a shorter holding time; the service life of the vacuum cup also depends on the cleaning of the inner layer of the cup and the time for vacuuming, and the most important thing is the structure of the vacuum furnace.
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