The difference between borosilicate glass and ordinary glass
Release Time:
2022-10-21
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Laboratory-scale glass reactors, as laboratory equipment, must have good chemical properties. Then the glass reactor must have excellent resistance to rapid cooling and rapid heating, low expansion coefficient, and corrosion resistance. It is suitable for use as a laboratory glass reactor.
Many people will wonder why high borosilicate glass is used for glass reactor vessels, thereby increasing the cost of purchasing glass reactor equipment.
The difference between high borosilicate glass and ordinary glass.
The content of boron trioxide and silicon dioxide in borosilicate glass is higher than that of ordinary glass. The content of boron trioxide even reached 14%, and the content of silica was 80%.
The silicon content of ordinary glass is about 70%, and ordinary glass generally does not add boron.
High borosilicate glass has low expansion coefficient, high softening point and good resistance to rapid cooling and rapid heating. The expansion coefficient of high borosilicate glass is about 32~33*10(-7).
The expansion coefficient of ordinary glass is about 80~100*10 (-7), and the resistance to rapid cooling and rapid heat can reach 200~300℃.
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