Advantages and disadvantages of glass tumblers and plastic cups
We often use a cup to drink water. In daily life, the cups include plastic cup, glass cup, ceramic cup and disposable cup. Which of these cups is more suitable for drinking water? Let's find it out now.
Ceramic cups are made after high-temperature honing by thousands of degrees, without harmful substances such as lead, which can be used safely.
Proposal: But it is important to note that there contains no lead in the pure white enamel porcelain, selling colorful ceramic cups are in the market now is to add the corresponding metal salts, such as lead, chromium, tin, antimony and bismuth, cadmium, etc., when the cup is filled into the boiled water or acid, high alkaline beverage, and toxic heavy metal elements such as lead in the paint is easy to dissolve in the liquid, people drink into the chemical liquid, will cause a harm to human body.
Plastic cups are one of our most common drinking cups, and they are widely used because of their light weight and resistance to falling.Actually, plastic cups are not very good for drinking hot water.In addition to chemicals that can seep out when heated, plastic cups can also harbor bacteria. Although the surface of plastic seems smooth, but in fact there are many gaps, easy to hide dirt.In the office, people only use water to wash the cup, the cup can not be thoroughly cleaned and disinfected.
Proposal: use plastic cup, want an idea the triangle label below plastic cup, the triangle that suits to fill hot water commonly is a 5 inside triangular table, namely PE, this kind of plastic suits to pack drinking water most.
Use disposable cup is for graph convenience, must not often use.First of all, the product qualification rate cannot be determined, whether it is clean and hygienic, and can not be identified with the naked eye.And some paper cup manufacturers add a lot of fluorescent brighteners to make the cups look whiter.It's the fluorescent substance that can mutate cells and become a potential cancer risk once it enters the body.From the point of view of environmental protection, we should use disposable paper cups as little as possible.
The glass is the healthiest of all glass materials.The glass in the process of firing containing no organic chemicals, when people use a glass of water or other drinks, don't have to worry about chemicals can be drink into the belly, and the glass surface is smooth, easy to clean, propagation of bacteria and dirt is not easy in the glass, so people use a glass of water is the most healthy and safe.