Do ceramic tableware have a long life?Time of issue : 2021- 02-02
Traditional Jingdezhen blue and white ceramics are generally fired at about 1300 degrees. If they are not damaged, they will have no service life! The glaze color is easy to wear and fall off, and its service life is about six to ten years. It depends on the actual times of application! Low temperature glaze ceramic. Firing temperature is not high. Easy to crack when heated, so the service life is not long. Generally three to five years!
Precautions for use of ceramic tablewareTime of issue : 2021- 02-02
Although the ceramic tableware is beautiful and easy to use, we should pay more attention when using tableware, otherwise the tableware is easy to be damaged. Parents should pay attention to the following items:
Watch out for ceramic bowls with painted walls
Ceramic tableware contains lead, mercury, cadmium and other heavy metal elements, which is easy to cause liver poisoning and renal sclerosis. These harmful metals mainly come from the painting on the inner wall. Therefore, the more glaze color of ceramics, the more lead, cadmium and other compounds. When using ceramic tableware, do not use the bowl with painted inner wall to hold rice or soup, and try not to heat it in the microwave oven.
Underglaze porcelain is the safest
Because the underglaze color is coated with pigment first, there is no need to add lead in the pigment, while the underglaze color is coated with pigment after glazing, and the pigment contains lead. Compared with in glaze color, underglaze color pigment is not easy to precipitate, relatively safer, it is recommended to buy and use. Before use, clean it with hot water, and then soak it with vinegar to filter out harmful metals.
Microwave heating avoid metal decoration
If the ceramic tableware must be heated in the microwave oven, attention should be paid not to use metal decorated ceramic tableware, because the ceramic tableware with metal edges will precipitate toxic substances after being heated in the microwave oven.
What are the types of ceramic tablewareTime of issue : 2021- 02-02
Generally speaking, ceramic tableware can be divided into five categories: shellfish porcelain tableware, strengthened porcelain tableware, magnesia porcelain tableware, magnesia strengthened porcelain tableware and colored glaze porcelain tableware. The characteristics of different ceramic tableware are different, so we should know the advantages and disadvantages of different kinds of ceramic tableware
1. Magnesia porcelain tableware
Magnesium porcelain is mainly made of talc rich in magnesium, which has the outstanding characteristics of high whiteness, high strength and high thermal stability. It is the best choice for tableware because it is as white as jade and crystal clear. In addition, ceramic tableware has acid and alkali resistance, lead-free, easy to wash performance, more suitable for modern families.
2. Magnesia reinforced porcelain tableware
Magnesia reinforced porcelain tableware, which uses magnesia stone powder as the main raw material, has the advantages of ultra-high strength, low brittleness, high whiteness and smooth glaze. It is also an ideal product for disinfection tableware. However, the value of magnesia porcelain tableware is higher than that of magnesia porcelain tableware because of longer service life, low damage rate, high grade and good image.
3. Strengthened porcelain tableware
Reinforced porcelain is made of high-quality porcelain mud and aluminum and magnesium. It has the characteristics of impact resistance and delicate handle. But the strengthened porcelain is dark and not very beautiful. It has been gradually replaced by magnesia strengthened porcelain and magnesia porcelain.
4. Shellfish porcelain tableware
Shell porcelain is made of high white mud and shell powder at high temperature. It is non-toxic, lead-free, harmless and never fade. It is suitable for users of medium and low-grade ceramic tableware.
5. Color glazed tableware
Color glazed porcelain is a kind of underglaze color porcelain, which is a kind of tableware product with different styles from other porcelains. It is the best choice for users who like special tableware.
How to choose ceramic tablewareTime of issue : 2021- 02-02
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.