High borosilicate glass is a kind of glass material with boric acid as the main component, its main characteristics are low thermal expansion coefficient, high thermal resistance, good electrical properties, etc., so it has a wide range of applications in solar energy, optical fiber communication, medical equipment and other fields.
Second, whether high borosilicate glass contains lead
As to whether high borosilicate glass contains lead, many studies at home and abroad have shown that high borosilicate glass does not contain lead. According to the research of the Japanese Science and Technology Agency, high borosilicate glass is a lead-free glass material, but it may contain trace amounts of glass ceramic particles, which are small particles attached to the glass surface or generated by the glass processing process. In the relevant regulations of the European Union, the restriction and control of high borosilicate glass is mainly for the heavy metal elements that may exist in it, such as lead, cadmium, chromium, etc., but no special provisions are made for high borosilicate glass.
Third, the advantages and disadvantages of high borosilicate glass
In addition to the advantages of not containing lead, high borosilicate glass has the following advantages:
1. Strong heat resistance, can withstand high temperature and high pressure working environment;
2. High hardness, not easy to damage, long service life;
3. Good transparency, good optical transmission performance.
Of course, high borosilicate glass also has disadvantages, mainly the manufacturing cost is relatively high, but also more vulnerable to the destruction of external forces.
In general, high borosilicate glass has a wide range of applications in the industrial field, and its lead-free safety advantages are also one of the important reasons why it is favored.
Through the introduction of this paper, we know that high borosilicate glass is a lead-free glass material, which can play an important role in the industrial field. When purchasing glass products, we should also pay attention to the material composition to ensure safety and reliability.


