Insulation principle of thermos flask The interior of thermos flask is divided into inner wall and outer wall. There is a vacuum between the inner wall and the outer wall, but heat cannot be conducted in the vacuum, so the original temperature can be maintained for a long time after pouring hot water. Details >>
How to choose a thermos and how many liters of thermos are suitable?
The average household thermos bottle is about 2L, and 1L is also suitable for single use.
What is the material of the inner container of thermos bottle? 1, stainless steel thermos.
Advantages: low thermal conductivity, good thermal insulation effect and superior material performance.
Disadvantages: it is difficult to clean, and acid-base liquids such as tea cannot be filled, otherwise chemical reactions will occur.
2. Glass thermos
Advantages: good heat preservation effect, safe material performance, and can hold acid-base liquid.
Disadvantages: fragile and inconvenient to carry.
3. Ceramic thermos pot
Advantages: the lining material is safe and harmless.
Disadvantages: the insulation effect is average, and there are few products on the market.
4, purple sand thermos pot
Advantages: good heat preservation effect, long service life and difficult combustion.
Disadvantages: it is expensive and rare in the market. Details >>
How to choose the appropriate vehicle-mounted thermos pot 1 and material?
It is best to choose stainless steel for the vehicle-mounted thermos pot, because it is not fragile, more convenient to carry and has good heat preservation effect.
2, caliber
The diameter of the vehicle-mounted thermos must be large. If the vehicle-mounted thermos is large enough, it can be used not only to hold hot water, but also to store ice cubes and ice cream.
3, pot cover design
The lid of the car-mounted thermos pot can be designed in double layers, so that the lid can be used as a small bowl. Details >>
How to choose 1 for children's kettle, and how to keep warm.
A high-quality children's thermos pot should have excellent thermal insulation performance, preferably for more than 6 hours, so that children can drink hot water at any time.
Step 2 show up
A lovely and beautiful children's thermos can be favored by the baby, and the appearance of the thermos can also reflect the workmanship of the thermos from the side.
3. Material safety
Children's health is very important, so when purchasing children's thermos bottles, we must pay attention to whether the materials are healthy and environmentally friendly. Details >>
How to choose an outdoor travel thermos 1 depends on the certification.
When choosing outdoor travel thermos, we should pay attention to whether it has passed the quality system certification. The thermos bottle certified by the quality system is superior in material safety and use experience.
Step 2 look at the details
A good outdoor travel thermos pot has a smooth appearance and interior, and there are no obvious quality problems such as outcrop, bubbling and depression. The pattern printed on the pot body is clear in color and firm in coloring.
Step 3 look at the price
The cost of an outdoor thermos with reliable and excellent quality is definitely high, so the corresponding price will be a little more expensive, so if it is a particularly cheap outdoor thermos, don't buy it, and the quality will definitely not pass. Details >>
For the price of thermostatic kettle, please refer to the European-style vacuum flask for biological household, large-capacity vacuum flask for student dormitory, JV 05010/5 RMB 592+05 592 monthly sales of merchants: 8000+ store biological flagship store >> biological self-operated flagship store > & Gt59 hals travel thermos outdoor large-capacity thermos 304 stainless steel thermos portable thermos July sales: 700+ store hals flagship store >> Fu Guang household large-capacity portable thermos student thermos glass inner container thermos 39.9 January sales: 3000+ store > Fu Guang flagship store >; & gt& gt How to clean the thermos bottle? How to clean the thermos for the first time? First pour a spoonful of vinegar into the thermos, then pour hot water at about 50℃-70℃, then cover the thermos and shake it. After repeated several times, wash off the vinegar smell in the thermos with clear water, then fill the thermos with hot water and leave it overnight. The water in the thermos can be used the next day. Details >>
How to remove the scale in thermos bottle? Put some pieces of paper in the thermos bottle, then pour in warm salt water, cover it and shake it gently for a while, and finally clean it, and the scale will be removed. You can also shake the egg shell and remove the scale with warm salt water. Details >>
How to remove the odor in the thermos? Pour a proper amount of hot water into the thermos, then add a little baking soda, then tighten the bottle cap of the thermos, shake it a few times, then let it stand for a few minutes, and finally pour out the hot water and rinse it with clear water several times to remove the odor.
How to disinfect the thermos? Wash it with water first, and then rinse off the residual detergent with clear water. Then pour a proper amount of boiling water and seal it for about ten minutes for high-temperature disinfection, or you can put it in a pot and add water to boil it.
Frequently asked questions about the use of thermos pot How to open the thermos pot?
In order to make the insulation effect of the newly-bought thermos better, you can pour half the boiling water and preheat it for ten minutes. Note that when pouring boiling water into the thermos pot, you should not fill it up, otherwise you may be scalded by the overflowing hot water when opening the pot.
What should I do if the stainless steel thermos is not insulated? Use it as an ordinary kettle.
The reason why the thermos does not keep warm is generally because the degree of vacuum in the vacuum layer cannot be reached. If maintenance is needed and the cost is relatively high, it is better to buy a new thermos. Therefore, the stainless steel thermos can be directly used as an ordinary kettle without heat preservation, and then a new thermos can be bought. Details >>
Can I put the thermos in the refrigerator? number
Generally speaking, thermos flask can't be refrigerated in the refrigerator, which is not good for the refrigerator and thermos flask. If you want to put cold water in the thermos, you can put cold water directly in the thermos.
Can you put the tea in a thermos with a glass liner? Tea is not recommended.
A thermos is not a container for making tea. Aromatic substances and vitamins in tea will be destroyed by high temperature for a long time, so tea brewed in thermos bottles will have astringent taste. In addition, making tea in a thermos pot will also reduce the aesthetic feeling of tea, which will also lead to more scale in the thermos pot, so it is not recommended to put tea bubbles. Details >>
Can I drink the water in the thermos for one night? It depends.
If you put the boiled water in a sealed thermos, you can drink it the next day. However, if the water is not boiled, cover it tightly with the lid of the thermos bottle, and it is generally not recommended to drink it again, because the water inside may have bred microorganisms, which is not good for human health. Details >>
Can I take the thermos bottle on the plane? As long as there is no liquid in it.
Thermos flask can pass the security check. As long as there is no liquid in it, it can pass the plane security check smoothly. However, if there is liquid in it, it will be more troublesome to pass the security check. Therefore, it is generally necessary to bring an empty thermos flask and then make hot water on the plane. Details >>
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