The difference between borosilicate glass and high borosilicate

1. The difference is that borosilicate glass does not contain alkali metal oxides.

2, high borosilicate glass (also known as hard glass), is the use of glass in the high temperature state of the conductive characteristics, through the glass inside the heating to achieve glass melting, processed by advanced production processes, due to the coefficient of thermal expansion of the line (3.3 0.1)*10-6/K, also known as “borosilicate glass 3.3”. It is a special glass with low expansion rate, high temperature resistance, high strength, high hardness, high light transmittance and high chemical stability. Materials, due to its excellent performance, are widely used in solar energy, chemical, pharmaceutical packaging, electric light source, craft jewelry and other industries. Its good performance has been widely recognized by the world, especially in the field of solar energy, Germany, The United States and other developed countries have carried out a more extensive promotion.


3. Borosilicate glass is high boron low silicon borosilicate glass without alkali metal oxide. Bismuth glass and bismuth glass belong to alkali borosilicate glass system. Heavy bismuth glass belongs to alkali borosilicate Salt glass system. Gradually increase the content of B2O5 in borosilicate glass. This phenomenon is called boron anomaly.

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