It should be a glass to drink water cup first-selectedly. Don't think the glass is penetrating and goodlooking, in the cup of all materials, but the glass is the healthiest.
The chemical material of the containing machine during the process of firing of the glass, when people drank water or other drinks with the glass, needn't afraid the chemical material will be drunk into belly, and the glass surface is smooth, apt to wash, bacterium and dirt are difficult to multiply in the cup wall, so people drink water with the glass is most healthily, the safest.
In addition, the expert recommends using the enamel cup too, because the enamel cup is melted, made through the keeping out at high temperature of thousands of degrees, non- leaded harmful substance, can rest assured to use.
And the plastics are often supplemented with plasticizer, among them contain some poisonous chemical materials, while putting the hot water or boiled water with the plastic cup, the poisonous chemical material is very apt to dilute in water, and the plastic internal micro structure has many holes, among them the filth is being hidden, it will be apt not to wash bacteria netly to multiply. So, the expert reminds, while choosing the plastic cup, must choose to accord with eating water cup made of one grade of plastics of national standard.
The varicoloured ceramic cup is likable, can hide the enormous hidden danger in those bright-colored pigment in fact, especially the inboard wall has glazes to scribble, when the cup is put into the boiled water or sour, alkaline beverage on the high side, poisonous heavy metallic elements such as the lead in the pigment,etc. are apt to dissolve in the liquid, people drink into the liquid with chemical material, will cause danger to the human body.
