The thermos cup is used under conditions that require heat preservation, such as keeping cold in the hot summer and keeping warm in the cold winter. However, many people are accustomed to using it as an ordinary cup, which is wrong.
Don't keep any drinks for long
Whether it is water or beverages, it is fresh and healthy. It is okay for office workers to use a vacuum flask to fill milk, to fill Chinese medicine, etc. to go out in a hurry, but it is still necessary to drink it as soon as possible.
often clean the sealing ring of the lid
Many people think that the thermos cup has good airtightness and is not easy to be contaminated. They do not know that the sealing ring of the cup cover is a breeding ground for bacteria, which can easily contaminate the water in the cup, so it is better to clean it frequently. Do not use steel wire to scrub the inner container of the thermos cup. For stains that are difficult to remove, you can rinse with neutral detergent or wash with diluted vinegar. The washing time should not be too long to avoid damage to the passivation film.
Boil the water and let it cool before putting in the thermos
Regardless of which type of insulation cup is used, it is recommended that you do not pour the freshly boiled water directly into the insulation cup. You can choose to lower the water temperature to below 70 ℃ and then pour it into the insulation cup.
Your vacuum flask, is it really clean?
How to clean the vacuum flask, don’t worry if there are odors and stains, baking soda, toothpaste and salt water are all clean tools!