Drinking water is the second big event in life after eating, and the cup of drinking water is directly related to this big event in life, right or wrong! If you use the wrong cup, it is equivalent to drinking poison!
Today we are going to reveal the secrets of various cups one by one!
1. Stainless steel cup
Stainless steel cups are alloy products. Improper use will release the heavy metal substances contained in them and endanger health. In daily use, it is not a problem to use stainless steel cups to hold ordinary water, but do not hold acidic drinks. If juice, coffee, carbonated drinks, etc., because heavy metals are easily precipitated, it is not safe to use ordinary water again. .
When cleaning stainless steel cups, do not use strong oxidizing soda, bleaching powder, etc. These substances also easily react with stainless steel chemically.
Stainless steel cup summary:
Sheng ordinary water is not a problem, but do not install acidic drinks
Health Index: ★★★☆☆
2. Ceramic Cup
There are two types of ceramic cups.
The first type: colorless glaze, colorless inner wall:
Health Index: ★★★★☆
Ceramic cups painted without color glaze, especially if the inner wall is colorless, are also the first choice for drinking water. Not only is the material safe, it can withstand high temperatures, but it also has a relatively good thermal insulation effect. Drinking hot water or tea is a good choice.
The second kind: colorful:
Health index: ★☆☆☆☆
Do you have beautiful colors and cute patterns on your drinking glass? If so, replace them as soon as possible. The colorful patterns on the ceramic cups are actually a kind of paint, which may hide hidden dangers.
In particular, the inner wall is coated with glaze. When the cup is filled with boiling water or drinks with high acidity and alkalinity, the toxic heavy metal elements such as lead in these pigments are easily dissolved in the liquid. People drink liquids with chemical substances The human body causes harm.
Summary of ceramic cups: it is best to paint them with unglazed glaze!
Health Index: ★★★★☆ / ★☆☆☆☆
Among the cups of all materials, the glass is the healthiest. The glass does not contain organic chemicals during the firing process. When people use the glass to drink water or other beverages, there is no need to worry about the chemicals being drunk into the belly. And the glass surface is smooth and easy to clean, and bacteria and dirt are not easy to breed on the wall of the glass, so people drink water from the glass is the healthiest and safest.
Glass summary: drinking water is the safest!
Health Index: ★★★★★
4. Plastic cup
Plastic cups are also unpopular. Plasticizers are often added to plastics, which contain some toxic chemicals. When plastic cups are used for hot or boiling water, the toxic chemicals are easily diluted into the water.
And the internal microstructure of the plastic has a lot of pores, which is easy to hide dirt, and bacteria can easily grow if it is not cleaned. Therefore, when choosing a plastic cup, be sure to choose a water cup made of edible grade plastic that meets national standards.