Drinking water is the second major event in life that is second only to eat, and the cup that drinks water is directly related to this big thing you do! If you use the wrong cup, it is equivalent to drinking poison!
Dare to tell Xiaobian, what cup do you use every day?
Today we are here to reveal all kinds of cups!
1. Stainless steel cup
Stainless steel cups are alloy products. Improper use will release the heavy metal substances contained in it, which will endanger health. In daily use, the problem with stainless steel cups is not big, but do not install acidic drinks. If juice, coffee, carbonated drinks, etc., it is easy to precipitate heavy metal substances, so that it is not safe to use ordinary water to drink ordinary water. Essence
When cleaning the stainless steel cup, do not use strong oxidized soda, bleaching powder, etc. These substances are also easy to chemically react with stainless steel.
Summary of stainless steel cup:
The problem of ordinary water is not big, but don’t install acidic beverages
Health Index: ★★★ ☆☆
2. ceramic cup
There are two types of ceramic cups.
The first: colorless glaze, colorless inner wall:
Health Index: ★★★★ ☆
The ceramic cup with colorless glaze, especially the inner wall, is not colorless, and it is also the first choice for drinking water. Not only is the material safe, it can resist high temperature, but also has a relatively good thermal insulation effect. Drinking hot water or tea is a good choice.
The second: colorful and colorful:
Health Index: ★ ☆☆☆☆
Is there a beautiful color and cute pattern on your cup? If so, change it quickly. The colorful patterns on the ceramic cup are actually a pigment that may hide hidden safety hazards.
Especially in the inner wall with glaze. When the cup is boiling water or high -acid, alkaline and high alkaline drinks, the toxic heavy metal elements such as lead in these pigments are easily dissolved in the liquid. The human body causes harm.
Summary of ceramic cups: It is best to be dyed with colorless glaze!
Health Index: ★★★★ ☆ /★ ☆☆☆☆
In all cups, the glass is the healthiest. The glass does not contain organic chemicals during the firing process. When people drink water or other drinks with glass, do not worry about chemicals will be drunk into the belly. Moreover, the surface of the glass is smooth and easy to clean. Bacteria and dirt are not easy to give birth to the cup wall, so people drink water with glass is the healthiest and safest.
Summary of glass: drinking water is the safest!
Health Index: ★★★★★
4. Plastic cup
Plastic cups are also unpopular. Because plasticizers are often added to plastic, which contain some toxic chemicals. When installing hot water or boiling water with plastic cups, toxic chemicals are easily diluted into water.
And the internal micro -structure of the plastic has a lot of pores, which is easy to hide the dirt. If it is clean, it will be easy to raw bacteria. Therefore, when choosing a plastic cup, you must choose the water cup made of consumption -grade plastic that meets national standards.
Summary of plastic cup: It is easy to precipitate toxic substances when installing hot water
Health Index: ★★ ☆☆☆
[Buy plastic water cups to identify the bottom number]
Not all plastic cups are suitable for water cups. When buying, you must recognize whether there is a QS logo. At the same time, there is a small triangle symbol at the bottom of the cup. This is their ID card.
No. 1 PET: heat-resistant to 65 ° C, cold to -20 ° C.
No. 2 HDPE: It is recommended not to use it circular.
No. 3 PVC: It is best not to buy.
No. 4 LDPE: The heat resistance is not strong.
PP 5: Microwave stove lunch box, fresh -keeping box, high temperature resistance 120 ° C.
PS 6: heat resistance and cold, but not put in a microwave oven.
No. 7 PCs: kettle, water cup, bottle.
5. Enamel cup
The enamel cup is made after the high temperature of thousands of degrees Celsius. It does not contain harmful substances such as lead and can be used with confidence.
Although the metal substances contained in enamel cups are relatively stable, they may dissolve in an acidic environment. Therefore, it is best not to use enamel cups to put acidic drinks such as orange juice for a long time, otherwise ordinary water will contain metal substances. In addition, the surface of the enamel cup is easily damaged after bumping, which will be eliminated by harmful substances.
Summary of enamel cups: safer, but do not have acidic drinks for a long time
6. disposable paper cup
The disposable paper cup only looks sanitary and convenient. In fact, the product qualification rate cannot be judged. Whether it is clean and hygienic, it cannot be recognized with the naked eye.
Some paper cup manufacturers add a large amount of fluorescent whitening agent to make the cup whiter. And this fluorescent substance can cause cells to mutate, once entering the human body, it will become a potential carcinogenic factor. And from the perspective of environmental protection, you should still use the disposable paper cup as little as possible.
Summary of disposable paper cups: there are many hidden health hazards, and it is not environmentally friendly
Health Index: ☆☆☆☆☆
1. The safest thing is:
Ceramic cup with colorless glaze dyed
2. The most unsafe:
Disposable paper cup
Colorful ceramic cup
3. Pay attention:
Don’t use stainless steel water cups, enamel cups, drink coffee, orange juice and other acidic beverages.
Source: Human Health
Health Index: ★★★★ ☆