Material classification of thermos cups

Classification Cups MATERIAL thermos

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Material classification of thermos cups
The vacuum flask generally has a glass vacuum liner and a stainless steel vacuum liner. The thermal insulation performance of the two is the same. The difference is that the glass vacuum liner will be broken accidentally during use, and the stainless steel vacuum liner will not be broken. But if it is serious, it will also affect the thermal insulation performance. The glass vacuum liner can hold water, tea, coffee, wine, milk or medium, etc. The stainless steel vacuum liner can only hold water, because other beverages in the stainless steel vacuum liner for a long time will cause chemical damage. The reaction produces a substance that is harmful to the human body. Choose to buy a thermos cup according to your own use. There are many kinds of stainless steel materials in the thermos cup with stainless steel vacuum liner. If the selection is not good, the thermos cup will rust once filled with water.