What can't be soaked in a thermos?

Oct 14, 2023

What can't be soaked in a thermos cup
Before using the thermos cup, it is recommended that everyone carefully read the product instructions. After each use, the insulated cup should be cleaned and dried in a timely manner to prevent the growth of bacteria and the generation of odors. Try to use a soft sponge for cleaning and avoid using a hard brush or steel wire ball to avoid scratching the stainless steel surface and affecting the corrosion resistance of the material.
Can a thermos make tea?
Making tea in a stainless steel insulated cup will not cause metal migration, nor will it cause corrosion to the stainless steel material itself. Even so, it is not recommended to use insulated cups to brew tea, as tea leaves are usually suitable for brewing. Long periods of soaking in hot water may damage the vitamins and also affect the flavor and taste. At the same time, if the tea is not cleaned in a timely and thorough manner after brewing, tea stains will adhere to the inner liner of the insulation cup, producing a strange smell.
Can high protein drinks such as milk and soybean milk be filled in the thermos cup?
Not recommended! High protein drinks are prone to spoilage after prolonged insulation, and can cause symptoms such as diarrhea after consumption. In addition, the protein in the beverage can easily adhere to the cup wall, making cleaning difficult. If you are using a temporary insulated cup to hold such drinks, you should first disinfect the insulated cup with hot water, drink it as soon as possible, and clean it as soon as possible.
Can a thermos cup hold carbonated drinks, fruit juice, or traditional Chinese medicine?
When the chromium content in stainless steel reaches a certain value, a dense passivation film will be formed on the metal surface, blocking the infiltration of oxygen atoms, thereby playing a role in corrosion resistance. Carbonated beverages, fruit juices, and traditional Chinese medicine are mostly acidic and will not cause heavy metal migration when placed in a thermos for a short period of time. However, due to their complex composition and strong acidity, these liquids may corrode stainless steel after prolonged contact.
At the same time, it should be noted that when using insulated cups to hold gas-producing liquids such as carbonated beverages, it is not advisable to be too full and avoid violent shaking to prevent gas from escaping, which may cause safety hazards when the pressure inside the cup increases sharply.

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