What are the distinguishing techniques for the quality of ceramic tableware?

How to distinguish the quality of ceramic tableware 1. Visually observe that if there are cracks, flowers, black spots, and discoloration of ceramic tableware, it indicates that the stability of the tableware itself is problematic. In other words, there may be some problems during the production. The ingredients have not reacted completely, or have reacted with certain substances during use, etc. Regardless of the raw materials, it is best not to use such ceramic tableware. Also observe whether there is a temperature range warning at the bottom of the tableware. Qualified products produced by regular businesses are generally available. 2. The heat resistance test method can be used for boiling water immersion. Put the purchased ceramic tableware in boiling water for 30 minutes, and then place it at room temperature for 1-2 hours. Repeat several times. If the tableware cracks, blisters, Phenomenon such as whitening indicates that there is a problem with the quality of the imitation porcelain white porcelin dinnerware tableware, it is best not to use it again. 3. Put the hot oil into the tableware after heating the oil. If the shape of the tableware does not change, and there is no special smell, it means that the quality is excellent. On the contrary, it means that the quality is problematic. Through the above introduction, I believe you already know how to distinguish the quality of ceramic tableware!

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