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中文简体1. Look at the brand of the cup, but the more expensive the better, the more cost-effective thermos cup is really good.
2. Don't just look at the weight. Most people think that the heavier the thermos cup, the better the quality and the better the heat preservation effect. This view is wrong. The reason why the cup is mainly because the manufacturer added things such as magnetic sheets to magnetize the water quality. This kind of cup is also considered a health cup, and it will not be a thermos cup, because the real thermos cup is generally Insulated by vacuum.
3. It depends on whether the thermos cup is a real vacuum, because everyone knows that air has a certain heat conduction effect, and in a vacuum state, the temperature will not be transferred, so whether the insulation effect of the thermos cup is good or not is the most important thing. One point is to see his vacuum degree. The easiest way to identify the degree of vacuum is to pour hot water into the cup, and after a while, touch the body and bottom of the cup to see if there is heat. The lower the temperature of the cup, the better its heat preservation and heat insulation effect.
4. Look at the quality of the cup and whether the manufacturer's production technology is up to standard. It mainly depends on the appearance and whether there are any seams from the cup's body to the bottom of the cup. The service life of any cup that looks seamless is generally longer than that of welded cups. Trace cups are longer. And because it is made by a one-piece process, the possibility of air leakage is less than that of cups with welding marks.
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