At present, almost all ceramic tableware on the market are marked with the words "suitable for microwave oven use". However, this does not mean that there is no problem after being put into the microwave oven or oven. The raw materials and processes of ceramic plates and bowls produced by regular manufacturers are all qualified. Generally, they can be placed in microwave ovens and ovens. However, it should be noted that the colored ceramic bowls should not be heated as much as possible. The heated ceramic tableware should not have gold edges, otherwise the heating may melt the gold powder and pollute the food. In addition, the ceramic tableware just taken out of the refrigerator cannot be heated.
1. Porcelain bowls can be heated in a microwave oven, but it should be noted that many porcelain bowls are decorated with gold edges for good looks. Such a porcelain bowl cannot be placed in the microwave oven, which may cause the gold powder to melt and pollute the food.
2. The main raw material of ceramics is kaolin, which is non-toxic and consumes less microwave medium. The ceramic made of this kaolin can be put into the microwave oven and is non-toxic. However, some ceramics made of kaolinite are not well mixed with metal impurities and are not suitable for microwave oven containers. If placed in a microwave oven, they may be toxic and cannot be used.
3. Ceramics that have passed through ice cannot be put into the microwave oven immediately. People who have experienced it all know that if you put the ceramics and utensils just taken out of the refrigerator into the microwave oven at once, it is likely that the temperature changes too quickly and burst. Therefore, if the ceramic plate is just taken out of the refrigerator, it is recommended to put it at room temperature first, and then put it into the microwave oven for heating.
4. It is not recommended to heat the colored ceramic bowl in a microwave oven, because high temperature may precipitate heavy metals in the pigment, which is harmful to human body. In particular, poor quality ceramic bowls, raw materials and processes are not guaranteed, which may cause more serious harm.