How to choose a good thermos for tea

Could one of the scientists have assumed when he invented the box in which he was going to store liquid gases, that his invention would become so popular? This is a Scotsman James Dewar, who in the last century became the author of this invention. He and in thoughts did not have to use it for domestic purposes. But his student was somewhat quicker. He quickly realized that this invention could be successfully used for commercial purposes. This, in fact, was his work for the rest of his life. He was only engaged in the production and sale of thermos flasks.

Thermos, which has become customary today, practically does not differ in design from what was originally invented. The simplicity of the invention and its practicality has been used in everyday life for quite a long time.

How does a thermos?

The principle of the invention of the Scotsman in the last century is practically no different from what modern devices have. The basis is the preservation of heat. In the cylindrical case there is a flask. It is thanks to this element that heat is kept. Thermal insulation properties are provided by vacuum. The flask is represented by fragile food glass or metal. The second version of the material is currently most popular.

Metal is represented by two layers. The inner layer covers the surface of the container, and the outer one creates a strong protective shell of the thermos.

Nuances of design

They have a certain value and leave an imprint on the final decision when buying:

1. If the device is supplied with a glass flask, the device has a stopper cap. If you tilt the thermos, the liquid can pour out their containers. For this reason, the device is clearly not suitable for long journeys. But in terms of hygiene, glass bulbs are superior to the metal counterpart. It is quite easy to wash it, and tea in a thermos with a glass flask will be tastier and more aromatic in nature.
2. Designs with metal flasks are supplied with a screw cap. Such a device is more reliable and you can take it with you on any trips without any fear.
3. The thermos with a double metal flask has the best quality. Such structures are able to store heat much longer. The only drawback is that they are significantly larger in mass.
4. A separate item is a pump view of a thermos. The design assumes the presence on the pump cover. To pour tea from a thermos into a mug, you must use a pump. To do this, simply pumped tea from a thermos with a pump. In such a device, the drink remains hot for a long time. Another positive point is that inadvertently shedding tea is almost impossible. Such designs have a sufficiently large capacity. Of course, the bulkiness is a certain minus, but for one family who went on vacation, it will be a kind of magic wand. Drink enough for each family member.
5. A kind of mini thermos is a thermomug. Despite the fact that such a device is not able to retain heat for a long time, however, it enjoys considerable popularity among certain categories of the population.For example, it is quite often used by fishermen. Often its use is resorted to by many office workers.

Any thermos can be considered quality if it is able to maintain the required temperature for 24 hours. However, it should not fall below 65-70 degrees.

What you need to know in order to choose the right thermos?

If the device is intended to store tea in it, then this circumstance should be repelled. How successful will be the choice depends on the awareness in the nuances of this issue. You must have at least the slightest idea of ​​what is a thermos. Otherwise, you will get something completely different from what you would like ideally.

The seller will definitely take advantage of the gaps in knowledge and hand over what is more profitable to him in accordance with the sales plan. As a result, the buyer will receive the usual consumer goods, and he is unlikely to be satisfied with the purchase during its operation. If the buyer knows the design of the thermos, has an idea of ​​what materials it is made of, then he has a certain advantage over other purchasers.

First of all, you should decide on the purpose for which the thermos will be used. If a person is constantly traveling, is in perpetual traveling travels, or often goes, say, on hikes, then a device with a metal bulb will be the best option for him. Such a thermos is durable and endures long life without any problems. If a thermos accidentally falls on a trip, the metal flask will not break and will remain in integrity and safety.

The criteria for selection can be summarized as follows:

1. Purpose of use. If the thermos is intended purely for domestic use in the home, then a model with a glass bulb is quite suitable. Nobody is going to carry a thermos anywhere, and therefore the possibility of damage to a glass bulb is minimal in nature. Of course, in terms of fragility, it is significantly ahead of the metal, but from a hygienic standpoint, glass has a more practical character. But their main function is absolutely the same. They both cope with it quite successfully.
2. Body material. It is consideredthat a thermos with a plastic case is better able to maintain temperature. Pouring tea into it, such a device can maintain the temperature at 50 degrees during the day.
3. We check the characteristics of tightness. It is difficult to disagree with the fact that the thermos is purchased for long-term use. Such products are clearly not of a single nature. When buying, you need to start with the fact that check the density and quality of tightening the cover. This criterion is fundamental in terms of the ability to maintain temperature for a long time. If there are no problems in this regard, then everything is in order. And for this position, the product is of high quality.
4. What is the volume of the flask? This indicator is necessary not only to pour as much tea as possible into a thermos. The main nuance is the ability to maintain temperature for a long time. The larger the flask in volume, the longer the required temperature is maintained in the thermos.
5. The presence of odors. When a thermos is purchased in a store, the customer naturally opens it. There should be no extraneous odors. It so happens that undesirable aromas are still present.This may indicate a low quality of the materials from which this product is made. From the purchase of such a thermos is better to refuse. This circumstance is not only unpleasant, but can also have potential harm to health. And who would like to drink tea with the presence of foreign odors?
6. The strength of fixing the flask. This criterion is very important, especially in those cases when the thermos is constantly taken on the road. After all, if the flask is fixed unreliably, then sooner or later it will still break. We must understand that on the road a thermos is more susceptible to mechanical stress. By this criterion, metal flasks have clear advantages. But in the case of a metal flask, not everything is so rosy. With blows in the metal microcracks are formed, which will certainly affect the subsequent operation of the device. Tightness is impaired, and with it there is a loss of thermal insulation properties.

Real gourmets know a lot about the nuances of tea brewing. They can spend hours talking about how to properly brew and insist tea. It is difficult to argue with this, especially with those who have rich practical experience in this matter.If the thermos is used exclusively for tea, then they recommended the use of devices with glass capacity. And it is far from being accidental, since such constructions contribute to the preservation of the fine taste of the drink, which the tea ceremony regular will certainly appreciate.

Practical test

It is better, of course, to do this at the place of purchase of the device, of course, if there is such an opportunity. In this way, you can most accurately assess the quality of the purchased product.

Heat the water and pour into a thermos. Exposure is maintained for a quarter of an hour. If the case heats up, the product should be classified as substandard samples. Of course, this model is better not to buy. In such a device, the liquid quickly cooled. At the same time, any sense of acquiring such a device is lost. The choice is now so great that the problem is not how to find such a device, but in the absence of the opportunity to get lost in this variety.

A quality thermos must meet the following criteria:

1. Strong unpleasant odors should be absent.
2. The cap covering the flask should be of a pronounced hermetic nature.
3. Preservation of temperature depends on how much the flask has. The larger it is, the longer the temperature remains in the device.
4. Flasks of metal are more pronounced practicality and durability. But the glass version has better hygienic characteristics.
5. When the thermos is filled with hot water, the case should not heat up.

Some additional tips

In the choice will help and some other nuances:

1. It is better to choose thermos with a large volume. They will keep the temperature longer.
2. The nature of the material for the manufacture of the flask will determine the duration of the temperature. This is best expressed in designs with a double metal bulb.
3. On the model, it is mandatory to specify the manufacturer with the provision of full information about its details. If not, then this model is better not to purchase.
4. It is necessary to approach the choice with full responsibility. If you want to smell the device, then do not be shy.You should always remember that not only the taste of the drink depends on the quality of the thermos, but also the health of the consumer. If the material is of poor quality, then it will certainly emit an odor.
5. Do not blindly focus on price. High cost is not always a guarantee of good quality. It is possible, without overpaying, to purchase a fairly high-quality product. The main thing is to know how to choose it correctly.

Drinking tea is common all over the world. Famous is the Chinese tea ceremony. Drink tea the British, Germans and many other representatives of different nations. We love this drink in Russia. It is enough to recall, for example, the picture of the famous Russian artist “Tea drinking in Mytishchi near Moscow”.

The tips presented in this article will help you choose the right thermos for brewing tea. In this case, along with a thermos, the buyer will acquire not only the possibility of making an aromatic fine drink, but also a good mood. Have a nice tea party.

Video: how to choose a thermos