Why is metal silver coated inside the thermos bottle liner?
1. The function of applying metallic silver to the gallbladder The main purpose of coating metal silver inside the thermos bottle is to improve the insulation effect. The insulation principle of a thermos bottle is achieved through the vacuum layer inside the gallbladder and the double-layer glass body, and the coating of metallic silver can […]
The difference between a good insulated cup and a regular insulated cup
1. Insulation time Good insulated cups are made of double-layer glass or stainless steel material, and their insulation time is longer than ordinary insulated cups, which can reach 4-10 hours or more. The insulation time of ordinary insulated cups generally does not exceed 3 hours, while some low-quality insulated cups may only have a insulation […]
Solution for the lid of the thermos cup not opening
The inability to open the lid of a thermos cup may be caused by various reasons. Here are some common solutions: 1. Utilize the principle of thermal expansion and contraction (1) Hot water soaking method: Turn the thermos upside down, soak the lid part in hot water for a few minutes, let the lid expand […]
Principle and technology of thermos cups capable of boiling water
Ordinary thermos cups can only keep warm, while thermos cups that can boil water (also known as “self heating thermos cups”) can quickly boil water through chemical reactions or electrical heating without a power source. This type of product is suitable for outdoor travel, business trips, or emergency use. 1. Heating principle of a thermos […]
Taboos for using thermos cups
1. Cannot hold specific beverages (1) Corrosive beverages: Chemical reagents with strong corrosiveness such as hydrochloric acid and sulfuric acid should never be stored in thermos cups. They can seriously corrode the inner lining of the thermos cup, not only causing it to be scrapped, but also posing a danger. (2) Fermented drinks: In addition […]
Handling methods for special situations of insulated cups
1. There is an odor in the inner container (1) Tea soaking method: Fill a thermos with soaked tea leaves, add hot water and soak for several hours. The fragrance of the tea leaves can remove odors, and then rinse thoroughly. (2) Lemon Juice Method: Pour lemon juice into a thermos and soak for 1-2 […]
