Home ceramic tableware with long, white surface with traces of teeming with gray, is this leak lead? Should be changed? thank you
I think I may not be a bowl of problem, is a question of your other tableware
Used for thousands of years, Chinese people want to believe that our ancestors, there will be no problem.
Black is the body after the glaze wear, darkened dirt accumulated for a long time
White porcelain is contains no lead. The trace of the white surface is whole gray is you glaze scratched. Should be the inside of the bowl. There are many holes of the ceramic, with long the bacteria from the destruction of the glaze into the holes. Black. You want to change. Leave your contact way, I send you, yourself.
Ceramic tableware used long will lead the leakage. In general on the glaze decals, it even contains no lead more or less contain other heavy metals, normally used to say how much lead dissolution, said is detected with lead ceramics have harm to people, but the other heavy metal content detection, is not to say that there was no other heavy metal ceramics. General component is ceramic tableware glaze color, glair, and under the glaze color. In the glaze color process is relatively simple, in the low temperature bake to burn, touch the flower face AoTuGan obviously, the price is relatively cheap. Glaze colors come into contact with the high acid, alkali food, the surface will rub off, cadmium, lead, will precipitate elements. The dissolubility of cadmium exceeds bid cadmium poisoning can lead to the human body, thus cause lung disease; The dissolubility of lead paint lead poisoning can cause the human body, light person occurrence state such as irritability, loss of appetite, abdominal pain, the person that weigh can lead to kidney failure, unresponsive, gout and other diseases. Lead to the harm of children more, light affect brain development, or cause elevated intracranial pressure, vomiting, cramps, etc. When washing dishes such as with steel ball wipes strength is too large, will also fall off the surface color of the plate. Glair color and glaze firing temperature is higher, the surface of the paint is not products, so it feels very smooth, relatively safer, too.
