Ceramic tableware to information security

Tableware of pottery and porcelain is China's traditional dishes, have not rust, corrosion, water absorption, hard, smooth surface, easy to wash and protect the food flavor, but the making craft of ceramic lead is thousands of years can't avoid it. The dissolubility of lead paint has become a common problem on the ceramic tableware. Lead in ceramic tableware dissolution mainly from the stickers decorations of tableware. Due to the refraction coefficient of lead high, stickers decorations add lead tableware can be more colorful. But a few small enterprises to reduce cost, use a high content of lead, cadmium, unstable performance of cheap decorative materials, or rob to work fast, shorten the baking time at random or reduce the baking temperature, lead to dissolve a quantity to exceed bid. Some enterprises in order to improve the yield, seting too close, cause lead less volatile; In addition, decorate the area is too large, baking temperature is not enough, or processing is undeserved, can also cause ceramics, enamel products lead to dissolve a quantity to exceed bid. Ceramic tableware of choose and buy, use the tips ( 1) In normal bazaar or supermarket tableware of pottery and porcelain of choose and buy, do not buy in the hands of hawkers. ( 2) As far as possible selection and food contact surfaces without enamel, or decorate the area is small, or under the glaze colour glair pottery and porcelain tableware. Special don't choose the color is very bright and the lining with enamel tableware. Under the glaze color of flower surface decoration under the glaze, it is covered with film, '' security; Glair USES glair color paper tableware in 1250 ℃ high temperature firing, don't need to use strong cooling flux materials such as lead, cadmium, and in the process of firing, glaze color material because of its weight will seep into the certain depth. On glaze color visual and touch is available to identify: all images as glaze light, feel is owed to a smooth, even the picture edge have raised the tableware of feeling to buy carefully. ( 3) New ceramics tableware and high-grade glass container * * * * in the vinegar for 2 ~ 3 hours, use white vinegar soak white porcelain. ( 4) No color ceramic container holding fruit juice, vinegar, wine and other food. ( 5) With the metal edges and color porcelain tableware don't put in the microwave. Source: website administrator