Can lead glaze disinfection tableware be used?

The tableware we use now are all lead-free ceramics, and we also color them for the sake of beauty. However, if we use them as tableware, we should pay attention to whether their color will affect our health, especially the use of lead glaze, lead glaze will endanger the health of users, is not suitable for disinfection tableware. The main component of glaze is silica, which covers the ceramic surface thinly, equivalent to a layer of glass. Glaze is like ceramic clothes, which plays a role in preventing pollution and facilitating cleaning. There is also a very important point: beauty. Glaze is an important aesthetic factor for ceramics, especially porcelain glaze, which varies and is beautiful. Generally, it can be divided into green glaze, white glaze, black glaze, color glaze and other categories. In the glaze of ceramics, it is necessary to add something called flux to promote the complete melting of glaze in the firing process, thus forming a glassy substance. There are many kinds of fluxing agents. One kind of glaze with lead as fluxing agent contains about 20% lead oxide. This kind of glaze is soft and unstable. If it is used to hold food, it is easy to cause lead pollution. The melting point of lead glaze is very low, which is used in low temperature pottery. For example, Tang tri-color and colored glaze are all lead glaze. Although the country prohibits the use of lead glaze for tableware, some small workshops are still producing lead glaze utensils. If you encounter pottery of unknown origin with bright glaze, opaque and low voice, try not to buy it as tableware. When you buy disinfection tableware, you should pay attention to the existence of lead glaze tableware, knock it when selecting, the sound should be crisp, and then see if the colored glaze is uniform, and correctly judge the lead glaze tableware, don't buy fake tableware and use it to endanger everyone's health. Small editor: fir