According to authoritative data, lead-containing glass products are extremely harmful. If used for a long time, they will harm the central nervous system of blood vessels and the cerebral cortex. When the blood lead concentration reaches 30 micrograms/liter, there will be general fatigue. , Dizziness, headache, memory loss and other reactions. In severe cases, symptoms such as arteriosclerosis, gastrointestinal ulcers and fundus bleeding may occur. When lead and its compounds are temporarily ingested, excessive lead may even deposit in the bones and bury it. The hidden dangers of fractures.
Compared with traditional leaded crystal glasses, lead-free crystal glass has four advantages:
1. It has better refraction than traditional leaded crystal glass, and more perfectly shows the refraction performance of metallic glass;
2. Exceeding the metal sound of the traditional leaded crystal glass, its sound is more pleasing to the ears, rich in the reputation of "music" cup;
3. Compared with the traditional leaded crystal glass, it is more tough and impact resistant;
4. This high-quality potassium carbonate purified from plant ashes is safer and more reliable for making kitchen utensils.
