1. Look at the security

Most of the insulation cup is made of stainless steel, but we must pay attention to the selection, only food-grade stainless steel insulation cup is safe.

Tips: the inner material of the first push 304 and 316 stainless steel, both resistant to oxidation and corrosion, but also to prevent the precipitation of heavy metals affect the health. Bottle body can choose edible-grade silicone, PP and other high security materials, try to avoid glass and other fragile materials.

2. Look at the insulation

For a thermal insulation cup, insulation is very important to consider the elements. Considering the needs of going out, insulation cup insulation performance is best to last for more than 6 hours.

Tips: filled with boiling water, screw the insulation cup cover, about two or three minutes, touch the cup body exterior and lower, if there is a sense of warmth, indicating that the insulation performance is not good enough.

3. Look at the hermeticity

Insulation cup sealing is very important, you can fill a cup of water, screw the lid upside down for a few minutes, observe whether there is leakage, if there is no leakage, it proves that the sealing performance is good.

Insulated cups can not be filled with what?

Insulated cups should not be installed: milk

The nutrients in milk are easily destroyed at high temperatures, and the microorganisms in it will multiply rapidly at the right temperature, leading to corruption, which can easily cause diarrhea and abdominal pain after drinking.

Insulated cups should not be installed: high acidity of the juice

High acidity of the juice is easy and insulation cup wall chemical reaction, affecting human health.

Insulated cups should not be installed: tea

Tea contains a large number of tannins, theophylline, aromatic oils and a variety of vitamins. If you use insulation cup tea, tea in high temperature and constant temperature conditions easy to ferment, vitamins will be destroyed in large quantities, not only reduces the nutritional value of tea, but also increase the number of harmful substances. In addition, tea scale is not easy to clean oh.

Insulated cups should not be installed: Chinese medicine

The acid in the Chinese medicine, easy to react with the chemical substances contained in the inner wall of the insulation cup, producing harmful substances that damage the body. It is recommended that the best Chinese medicine with ceramic or enamel holding.