Experts say the glass should be your first choice when drinking water.
Don't think that glass is just transparent and beautiful. Of all the materials made of glass, glass is the healthiest. Glass does not contain organic chemicals. When people drink from glass or other drinks, they do not have to worry about the chemicals getting into their stomach. And the glass surface is smooth and easy to clean, so people drink from glass is the healthiest and safest.
Additional, the expert also advocates to use enamel cup, because enamel cup is made after the high temperature that passes 1000 degrees centigrade keeps out, do not contain the harmful substance such as lead, can be at ease use.
But when it comes to cups made of other materials, experts have raised questions.
Colorful glass is very attractive, but in fact hiding in the bright paint that huge hidden trouble, 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 with chemical liquid, will cause a harm to human body. Plasticizer is often added to plastic, which contains some toxic chemicals. When hot water or boiling water is filled with plastic cups, toxic chemicals are easily diluted to the water, and there are many cracks in the internal microstructure of plastic, which hide dirt. So, the expert reminds, when the choose and buy plastic cup, must choose to accord with the edible grade of national standard plastic place the water cup that makes.
