Are ceramic cups harmful to human health? Do you have a chart?

The safest drinking cup, the ceramic cup without glaze, is not good for human body.

The first choice for drinking water is a ceramic cup coated with colorless glaze, especially the inner wall should be colorless. This material is not only safe and resistant to high temperature, but also has a good thermal insulation effect. Drinking hot water or tea is a good choice.

Multicolored cups are easy to cause heavy metal poisoning.

Colorful cups are attractive, but you'd better not use them. Because those bright pigments have great hidden dangers, especially when the inner wall is glazed, when the cup is filled with boiled water or drinks with high acidity and alkalinity, toxic heavy metal elements such as lead in these pigments are easily dissolved in the liquid, and people will do harm to the human body if they drink the liquid containing chemicals.

Expand data differences:

1, temperature: the firing temperature of high-temperature porcelain is above 1200 degrees; The firing temperature of medium temperature porcelain is1000-1150℃; The firing temperature of low-temperature porcelain is 700-900 degrees.

2. Color: The color of high-temperature porcelain is fuller, more delicate and crystal clear; Medium and low temperature porcelain is dull in color.

3, feel: high temperature porcelain is smooth and delicate; Medium and low temperature porcelain is slightly rough.

4. Sound: high-temperature porcelain is brittle; Medium and low temperature porcelain is relatively low and stuffy.

5, texture: high temperature porcelain hardness is relatively strong; Medium and low temperature porcelain is fragile.

6. Of course, the most obvious difference between high-temperature ceramics and low-temperature ceramics is water absorption. The water absorption of low-temperature ceramics is high, and that of high-temperature ceramics is lower than 0.2%. The product is easy to clean, will not absorb peculiar smell, and will not appear glaze cracking and local water leakage. The water absorption rate of medium and low temperature ceramics is much higher than this standard, and it is easy to enter sewage, not easy to clean, and it will emit an unpleasant smell. It will crack and leak after a long time.

References:

Baidu Encyclopedia-Ceramic Cup? differentiate

References:

People's Daily Online-Drinking water from four cups is very dangerous and easy to cause cancer and poisoning.