What should I do with my newly purchased thermos before use?
You have purchased your favorite thermos cup. After you get the new product, you need to treat the thermos cup before using it so that it can be used well.
First of all, after disassembling, it is best to use boiling water first, or add some detergent to scald and wash it several times for high temperature disinfection.
Before use, in order to have a good thermal insulation effect, it is best to use boiling water or cold water to preheat or cool for about 10 minutes. The first time you add water to the thermos cup, it is not advisable to overfill it, so as to avoid boiling water overflowing and scalding when the cup lid is tightened. It is the first time to use a thermos cup, and its thermal insulation performance must be very good, so be careful when drinking hot beverages with a thermos cup, and do not make mistakes and burn yourself.
For some carbonated beverages such as milk, dairy products and fruit juices, it is not advisable to store them in a thermos cup for a long time, as it will affect the beverage back and forth, and secondly, it will damage the thermos cup. After the vacuum flask is used, it must be cleaned in time, preferably with a soft cloth and food detergent diluted with warm water.
Sometimes the inside of the stainless steel vacuum flask may have some red rust spots due to iron and other substances in the contents. At this time, it can be soaked in warm water and diluted vinegar for a period of time, and then cleaned, it can be very Easily removed.
In order to prevent the generation of peculiar smell, if the thermos cup is not used for a long time, it must be cleaned and fully dried.