Summer drinking water is relatively safe for cups and ceramic cups

[China Glass Network] In the summer season, drinking enough water is an important guarantee for health. However, when you pay attention to drinking water, do you pay attention to the cups you use every day? Which material is more healthy? When using different types of water cups, what more needs to be paid attention to? Glass and ceramic cups are relatively safe.

Glass: The glass contains no organic chemicals during the firing process. When people drink glass or other drinks, don't worry about chemicals being drunk. Moreover, the glass surface is smooth and easy to clean, so drinking water in a glass cup is healthier and safer.

Ceramic cups: There are two types of ceramic cups. One is painted without color glaze, the inner wall is colorless, and the other is colorful. Ceramic cups painted without color glaze, especially the inner wall, are colorless and are also preferred for drinking water. Not only material safety, high temperature resistance, but also relatively good insulation effect, drinking hot water or drinking tea is a good choice. The beautiful colors and cute patterns on the cups may pose a safety hazard. When the cup is filled with boiling water or an acid or alkaline beverage, the toxic heavy metal elements such as lead in these pigments are easily dissolved in the liquid, which may cause harm to the human body.

Reduce the use of plastic cups and disposable cups of plastic cups: Plastic cups are often added with plasticizers, which contain some toxic chemicals. When using hot water or boiling water in plastic cups, toxic chemicals are easily diluted into water. And the internal microstructure of the plastic has a lot of pores, which are easy to hide the dirt, and it is easy to have bacteria when it is not cleaned. Therefore, when purchasing plastic cups, be sure to choose a cup made of food grade plastic that meets national standards. Not all plastic cups are suitable for water cups. When purchasing, be sure to check for the QS mark. At the same time, there is a small triangle symbol at the bottom of the cup. This is their ID card.

Disposable paper cups: Disposable paper cups only look hygienic and convenient. In fact, the product qualification rate cannot be judged. It is clean and hygienic and cannot be recognized by the naked eye. Some paper cup manufacturers add a large amount of fluorescent whitening agent to make the cup look whiter. Once this fluorescent substance enters the human body, it becomes a potential carcinogenic factor. And from an environmental point of view, use disposable cups as little as possible.

Do not pack acidic drinks in enamel or stainless steel cups. Enamel cup: It is made by high temperature deuteration of thousands of degrees Celsius. It is free of lead and other harmful substances and can be used with confidence. Although the metal material contained in the enamel cup is relatively stable, it may be dissolved in an acidic environment. Therefore, it is better not to use an enamel cup to hold an acidic drink such as orange juice for a long time. In addition, the surface of the enamel cup is easily damaged after being rubbed, and harmful substances are precipitated.

Stainless steel cup: The stainless steel cup is an alloy product. Improper use will release the heavy metal substances contained in it, which is harmful to health. In daily use, it is not a problem to use ordinary stainless steel cups to hold ordinary water, but do not pack acidic drinks. If juice, coffee, carbonated drinks, etc., it is easy to precipitate heavy metal substances, even if it is used to drink ordinary water. In addition, when cleaning stainless steel cups, do not use strong oxidizing soda, bleaching powder, etc. These substances are also susceptible to chemical reaction with stainless steel.

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