Ceramic tableware how to choose, how to do? Small make up teach you

Ceramic packaging material has high hardness, the high temperature, water and other chemical medium resistance to corrosion and special optical and electrical performance characteristics, widely used in food packaging industry and occupies the important position. In the production of ceramic packaging materials, however, will join in the glaze of are using all kinds of heavy metal oxides such as lead, cadmium, chromium, antimony, cobalt, nickel, zinc, copper oxide, barium, etc, so that they can make the glaze presents satisfactory color and achieve the desired effect. Due to the heavy metal elements in the glaze have different levels of toxic materials, such as in the tableware production under the condition of certain contact could be dissolution and migration into contact with food, especially in the different degree inferior ceramic tableware affect food health and safety, and endanger the health of consumers. So food packaging container for ceramics, especially analysis of toxic and harmful substances in ceramics tableware and the safety limit and cause the attention of people increasingly [ 1] 。 Mall full of beautiful things in eyes of ceramic products, consumers when buying ceramic products, may find a lot of product of pottery and porcelain basically all the same, just different on colour, actually otherwise. Ceramic products in the production process there are many kinds of different craft, ceramic products, of course, also have good or bad, so know when the stand or fall of ceramics and the matters needing attention when using, is all the more important for our health. How 1, tableware of pottery and porcelain of choose and buy ceramic glaze decorations are mainly on the glaze, glaze, glaze in the inferior adornment, choose don't choose glaze color decoration on the ceramic tableware, especially ceramic tableware don't painted walls. Can be used under the glaze color or glair adornment, such as blue and white is a kind of people like to under the glaze color decoration of ceramic. 2, whether the geometric shape, to see if there is any breakage, spot, air bubble, smooth. Surface spiny, more spot, even with crack ceramics, the glaze contains lead easy to overflow, for tableware. 3, choose with gold, and silver decorative porcelain, brush a brush with the hand, do not fade is the top grade. 4, tapping a few times, good quality, crisp sound dull or husky is the inferiority of quality. 5, China adhesives mostly lead high, China after the supplement also for tableware. 6, the choose and buy complete sets of ceramic products, want to see every glaze color, image, luster, are consistent style, well-balanced, harmonious. 7, thin body ceramic products in the sunlight or lamplight, there should be clear, thin and light and even thickness. Use note 1 of ceramic tableware, ceramic tableware of coloured drawing or pattern on the wall while color is bright, but the colored glaze contains heavy metals such as lead, mercury, cadmium. Ceramic glaze, the more color bright, the more compounds such as lead, cadmium. Choose ceramic tableware don't value patterns, especially do not use the lining of the dishes with coloured drawing or pattern. Can new tableware in vinegar soak first 2 ~ 3 hours, the harmful material to dissolve the colored glaze, if found abandoned in the color should have obvious change. In addition, the color porcelain, don't put in the microwave. 2, don't use for a long time ceramic tableware for acidic foods and drinks such as fruit juice, wine, coffee. Because ceramic tableware cheng fang acidity food or drinks, the longer the higher the temperature, the easier it is to dissolve the lead, the side effects of dissolubility is equal to the increase of lead. Source: website administrator