When we go to the shopping mall to buy water cups, all kinds of cups will break into our sight. Such as glass, enamel cup, ceramic cup, plastic cup, stainless steel cup, iron cup, aluminium cup, paper cup. Ceramic cup is the cup which most young people like to use, because its shape and design are very novel, in line with the needs of modern young people. So, is it better to drink water with a ceramic cup or a glass? Today, let’s talk about it.
So, what kind of cup is good for drinking water?
The qualified rate of disposable paper cups can not be judged, whether they are clean, hygienic, and can not be identified with the naked eye. For environmental protection, disposable paper cups should be used as little as possible. Some paper cup manufacturers add a lot of fluorescent whitening agents to make the cup look whiter. Secondly, the unqualified paper cups are usually very soft and easy to deform when poured into water. Some paper cups are poor in sealing, and the bottom of the cup is easy to seep. What's more, when you gently touch the inside of the cup with your hand, you can feel the fine powder on it, and the touch of your finger will turn white, which is a typical inferior cup.
Because plasticizers are often added to plastics, which contain some toxic chemicals. When hot or boiling water is filled in plastic cups, toxic chemicals can easily be diluted into the water. And there are many holes in the internal micro-structure of plastics. It hides dirt, which can easily breed bacteria if it is not cleaned properly. Experts recommend that the office should be cleaned with stainless steel cups or glasses every day, with detergent and hot water. When the cup is placed, it should be equipped with a lid, and should not be close to computers and other electrical appliances. At ordinary times, it should also keep indoor air circulation, open windows to ventilate, and let dust go with the wind.
Metal cups, such as stainless steel, are more expensive than ceramic cups. The metal elements in the enamel cup are usually stable. But in acid environment, it may dissolve. It is not safe to drink acidic drinks such as coffee and orange juice.
Drinking water can choose colorless glazed ceramic cups, especially the inner wall should be colorless. Because the enamel cup is made by high temperature enameling at thousands of degrees. It does not contain harmful substances such as lead, so it can be used safely. Not only is the material safe, can withstand high temperature, but also has relatively good thermal insulation effect. Drinking hot water or tea is a good choice.
The first choice of drinking cup should be glass cup. Don't think glasses are only transparent and beautiful. Among all kinds of glasses, glasses are the healthiest. Glasses Cup do not contain organic chemicals during firing. When people drink water or other drinks in glasses, they don't have to worry that chemicals will be drunk into their stomachs. And the glass surface is smooth, easy to clean, bacteria and dirt are not easy to breed in the cup wall, so people drink water with glass is the healthiest and safest.