In autumn and winter, the weather is cold, and as the temperature drops, the weather becomes drier and dryer. Buying a thermos to drink water has become everyone's common choice. There are many types of thermos cups on the market and the quality...
In autumn and winter, the weather is cold, and as the temperature drops, the weather becomes drier and dryer. Buying a thermos to drink water has become everyone's common choice. There are many types of thermos cups on the market and the quality varies greatly. Today, the editor will share tips for purchasing thermos cups. In addition, let’s talk about the four types of thermos cups that are not suitable for packaging. Next, let’s take a look at the relevant knowledge about thermos with the editor.
Tips for purchasing thermos cups
1. Measure the quality of insulation strength, fill it with hot boiled water and cover it. After five minutes, touch the surface or bottom of the cup. If you feel the warm feeling, it means that the insulation effect is not good enough.
2. Look at the sealing properties of the thermos cup, fill it with water, cover it tightly, and then put it invert for a few minutes or swing it hard. If the water will seep out, it means that it is not sealed enough.
3. Whether the material of the thermos cup is safe
Even the thermos cup will use plastic materials. To determine whether it is safe, you can use “ "Want &rdquo". If the thermos is made of food-grade plastic, it has no taste, smooth surface, no burrs, and has a longer service life.
4. Identification of stainless steel material
For stainless steel thermos, the quality of the material is very important. There are many specifications for stainless steel. If it is 18/8, it means that the stainless steel component contains 18% chromium and 8% nickel. Only materials that meet this standard are green and environmentally friendly products.
Thermostain cups These five types of beverages cannot be filled with
1. It is not advisable to fill with acidic beverages
Stainless steel will not melt due to high temperatures and release bad substances. However, stainless steel is most afraid of strong acid. If you put a drink with strong acidity for a long time, it may cause damage to the internal organs.
2. It is not advisable to put milk
Some people will put hot milk in a thermos, but this method will allow the microorganisms in the milk to reproduce rapidly under the appropriate environment, causing diarrhea and abdominal pain. Because the acidic substances of milk in high temperature environments will cause chemical reactions in the inner wall of the thermos cup, affecting human health.
3. It is not advisable to make tea
Tea contains a lot of tannin, theophylline and a variety of vitamins, and is only suitable for brewing with water at about 80 degrees. The thermos will allow the tea to soak in high-temperature and constant temperature water for a long time, just like boiling it on warm fire. Experts say tea leaves are not suitable for long-term soaking because they may release heavy metal substances and the vitamins in the tea will also be destroyed.
4. It is not advisable to put soy milk
soy milk is the first choice for many people for breakfast, but is it appropriate for office workers who are anxious to go to work to put in a thermos cup to keep it warm and wait until they arrive at the company to drink it? The thermos cup is a petri dish of bacteria. It will deteriorate when encountering the rancidity produced by soy milk, and it will dissolve the toxic substances in the soy milk, which will harm health. It cannot be put in the thermos cup.
5. It is not advisable to store traditional Chinese medicine
Some people also like to soak traditional Chinese medicine in a thermos for easy carrying. However, the boiled Chinese medicine dissolves a large amount of acidic substances, which can easily react with the chemical substances contained in the inner wall of the thermos. Dissolving it into the decoction has adverse effects on human health.
