Be careful when buying and using ceramic cups

When buying and using ceramic cups, be aware of the following:

1. The purchase of ceramic cups must choose the formal market to buy, must not be greedy to buy the inferior products without formal manufacturers. The ceramic cups were immersed in 4% acetic acid with no more than 7 mg/L lead and no more than 0 mg/L cadmium. 5 milligrams per liter. At present, the products of regular manufacturers can basically meet this requirement;

2. When buying, pay attention to the color of the ceramic cup. Touch the surface of the ceramic cup with your hand to see whether the inner wall is smooth and clean;

3. Smell the odor with your nose;

4. Don't buy ceramic cups with bright colors. In order to make the color bright, manufacturers will add some heavy metal additives in the glaze, therefore, the more colorful the color of the ceramic cup, the more easy to exceed the heavy metal;

5. Should buy the raw material, process control more strict glaze color, underglaze color pottery cup;

6. The ceramic cup is boiled in boiling water for 5 minutes before use, or soaked in vinegar for 2-3 minutes to dissolve the toxic substances in the ceramic cup.