• Categories:Industry News
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• Time of issue:2021-02-02
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(Summary description)Ceramic tableware is divided into three types according to the decoration of ceramic flower surface, which are overglaze color, underglaze color and underglaze color. The overglaze color technology is the simplest and the price is the cheapest. But cheap is not necessarily a good product. When purchasing, we should be careful and consider all aspects of ceramic performance. Buy Ceramic tableware must be regular market to buy, do not buy no production of inferior products. In general, the dissolution of lead and cadmium should be less than 7 mg / L and 0.5 mg / L respectively when the ceramic tableware is soaked in acetic acid.
In addition, when you buy, you should pay attention to the color of the tableware. Touch the surface of the tableware with your hand to see whether the inner wall is smooth and clean, and smell whether there is a peculiar smell. It's better not to buy too bright colored ceramic tableware. Generally, the brighter the color of the tableware, the more likely the heavy metals are to exceed the standard. It is suggested to buy the tableware with good raw materials of in glaze color and underglaze color.
Choose ceramic tableware also depends on whether the shape of tableware is correct, whether there are damaged spots, if it is gold ceramic, wipe it with your hand, do not fade as the top grade. It's better to tap a few times when buying. If the sound is crisp, the quality is good. If the sound is dull, it's mostly inferior. After you buy it, soak it in vinegar and use it again to remove the harmful substances in the ceramics.