Ceramic tableware of choose and buy method and matters needing attention

Sales of ceramic tableware price on the market some cheap some expensive, some people in order to keen on gaining petty advantages, just ignore the quality of the ceramic tableware, so when tableware of pottery and porcelain of choose and buy, what are the methods and matters needing attention? Let's look at. Tableware of pottery and porcelain of choose and buy method is a 'look', is to get the porcelain upward, downward, inward, outward, observes again and see if products have any big defects such as deformation, black spots, look at the product whiteness, light transmittance and glaze glossiness. 2 it is to 'hear', is listening to the flicking knock at China. Such as, crisp sweet, explain porcelain body meticulous close-grained, no cracks, when high temperature firing, porcelain completely. Such as sound silence, it can be concluded that porcelain body crack damage, or incomplete, vitrified by the cold, this kind of porcelain is easy to crack. 3 it is 'than', is to compare. To form a complete set of porcelain, want to compare various accessories, whether its modelling and decoration is coordinated. Four is 'try', that is, try to cover, rigged, and test. Some porcelain with a lid, some China made up by several components, when choosing porcelain, don't forget to try to cover the lid, will be assembled components try once, see if appropriate. Matters needing attention of choose and buy ceramic eating utensils in glair for the most part, under the glaze color and glaze porcelain, white porcelain of lead, cadmium content is very low, and glaze color porcelain if used in ceramic color paper processing inferior paint, or in the flower design to the paint containing lead, cadmium high dosage is too large, or roast flowers when temperature, ventilated condition is not enough, it is easy to cause the dissolubility of lead, cadmium exceeds bid. Some white porcelain, main is not add bone China, with lead fritted glaze, if not strictly according to the bone China when the firing process condition control, the possibility of the dissolubility of lead paint. In addition, the ceramic pigment in the dissolubility of blue paint lead high, such as when the adornment product consumption is too large, it's easy to cause the product lead paint. In order to reduce the product lead contamination, paying special attention to: when tableware of pottery and porcelain of choose and buy of food utensils, and food contact surfaces should be paid attention to. Costumes acidic food utensils, should try to choose decorative pattern is less the surface of the products. When the choose and buy should also pay attention to the design color is light, if not light, may be baking temperature when the flowers do not meet the requirements, such products the dissolubility of lead, cadmium is often high. Pay special attention to those who use hand to wipe the design product, this product high dissolubility lead and cadmium. Don't rest assured products, usable vinegar soak for a few hours, if found abandoned in the color has obvious change should be. The myth of the choose and buy has the amount of lead, cadmium dissolution products are unsafe. The amount of lead, cadmium dissolution products are not safe. Small amounts of lead, cadmium, entered the body through the elimination of the normal eduction body outside, more than a certain amount will deposit in human body and cause heavy metal poisoning. Who meet the requirements of the national standard products, generally can be safe to use. Glaze color products are unsafe. 'On the glaze color products are not safe' point of view is wrong. Glaze colors as long as the production process control is proper, is generally not the dissolubility of lead, cadmium exceeds bid. But some small companies to save costs, barbecuing packing density is too large, when the temperature is not up to par, speed too fast, the product of the dissolubility of lead, cadmium exceeds bid. White porcelain must be * * * * safe. White porcelain is generally safe, but to reduce some porcelain glaze firing temperature, adding lead glaze flux, there may be lead to dissolve a quantity to exceed bid. How tableware of pottery and porcelain of choose and buy? Finish see this article introduction, believe everybody to package the choose and buy of tableware has certain understanding, to master these skills can be to make sure that the oh! Source: website administrator