Precautions for using ceramic tableware

Precautions for using ceramic tableware: 1. Although the color painting on the inner wall of ceramic tableware is bright, the colored glaze contains heavy metal elements such as lead, mercury, and cadmium. Cadmium and lead can easily cause liver or other visceral poisoning, while mercury can cause liver and Kidney sclerosis, the more glaze of ceramic tableware, the brighter the color, and the more compounds such as lead and cadmium. When choosing ceramic white porcelin dinnerware, don’t place too much emphasis on patterns, especially do not use dishes with painted inner walls. You can put the newly bought tableware first. Soak in vinegar for 2-3 hours to dissolve the harmful substances in the colored glaze. In addition, do not heat the colored porcelain tableware in a microwave oven. 2. Underglaze ceramic tableware is the safest. The pattern color is more blue and green, less red and yellow. The underglaze color is to paint first, then glazed, and then directly fired at high temperature. Since there is no need for low melting point substances, there is no color in the paint. Need to add lead, the pigment is not easy to precipitate, the safest; the in-glaze color is glazed first, then the pigment, and then fired at a high temperature. It does not contain lead, and the pigment is difficult to precipitate. It is relatively safe. There are patterns in the underglaze color. The hand feel is as smooth as other places, the gloss is very good, and the in-glaze color is somewhere in between. Although the gloss is good, the hand feel is not smooth.

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