1. For products that may be used in microwave ovens, ovens and dishwashers, products marked with “applicable to microwave ovens, ovens and dishwashers” should be selected.
2. For products with large use, such as catering industry, products with thick edges and arc-shaped reinforcing edges should be selected, which are not easily damaged in use.
3. It is recommended not to use products with cracks. Such products have low strength and may break when containing food, which may cause harm to human body. Moreover, due to the existence of cracks, they will hide dirt and dirt during use and are not easy to clean, which may cause bacterial reproduction and affect human health.
4. Products marked for decoration cannot be used to contain food, and the release of lead and cadmium from such products is not controlled by the standard limit.
Ceramic tableware shopping guide
1、 It is better to choose ceramic tableware with underglaze or underglaze color technology, which are more strict in the manufacturing process and have less heavy metal content in pigments.
2、 New type of tableware and tea set with antibacterial function should be selected and purchased, which can be smelled by nose and should be free of peculiar smell; The inner and outer walls shall be smooth and clean without sand particles, pinholes and burrs when touched by hand; Gently tapping will make a clear and pleasant sound.
3、 The new tableware should be soaked in vinegar for 2 hours before use, or boiled in boiling water for more than ten minutes to try to dissolve the heavy metals contained in it.
4、 When using colored ceramic tableware, avoid holding acidic food or drink, and also avoid using microwave oven to heat at high temperature, so as to avoid dissolving harmful substances such as lead and chromium, which will affect human body.