How to choose ceramic tableware?

There is great knowledge in selecting ceramic tableware. Some ceramic utensils have certain harmful effects on human health because they are decorated with overglaze color. Glaze color contains certain harmful effects of lead and other metals, lead will affect the human hematopoietic, nerve, kidney, blood vessels and other organs function. When the human body intake of lead, there will be vomiting, nausea, abdominal pain and other symptoms. Therefore, once neglected, the daily necessities that must be used for this meal will gradually affect the health like trace poison. 1. Do not use overglaze color decoration when selecting ceramic tableware, especially do not paint the inner wall of ceramic tableware. It can be decorated with underglaze color or underglaze color. For example, blue and white is a kind of ceramics that people like to decorate with underglaze color. 2. The ceramic tableware bought back should be soaked and boiled in 4 vinegar water first, so that most toxic substances can be removed and the potential harm of ceramic tableware to human body can be greatly reduced. 3, do not use ceramic tableware for a long time to store acidic food and fruit juice, wine, coffee and other beverages. Because the longer the ceramic tableware contains acidic food or beverage, the higher the temperature, the easier it is to dissolve lead, which is equivalent to aggravating the toxic and side effects of lead dissolution. 4. Whether the appearance is Zhou Zheng, whether there are damages, spots, bubbles and smoothness. The lead in the glaze of ceramic products with thorns, spots and even cracks on the surface is easy to overflow and should not be used as tableware. 5. When selecting porcelain decorated with gold and silver, wipe it with your hand and it will be top grade without fading. 6, a few taps, the sound is crisp and the quality is good, the sound is dull or hoarse is inferior. 7. Porcelain adhesives are mostly high in lead, and it is not suitable to make tableware after porcelain is replenished. 8. The glaze on the surface of porcelain is fired at a temperature above 800 Degrees, less than 800 degrees. Low temperature glaze will be harmful to human body. Reaching 1350 degrees porcelain is good. 9 ,. When purchasing complete sets of ceramic products, it depends on whether the glaze color, picture, luster and style of each piece are consistent, symmetrical and coordinated. 10, thin tire ceramic products in the sun or light to look after, to have a sense of transparency, thin and light, and uniform thickness.