What are the advantages and characteristics of quartz glass


For laymen, the types of glass may be limited, as most glass is "the same" in appearance. But for glass professionals, there are so many types of glass that I am not sure if I can list them completely.

 

The reason why it is called quartz glass is that it is made by melting various pure natural quartz (such as our common crystal, quartz sand, etc.), and the word "pure" is the key. Next, let's talk about the many characteristics and advantages of quartz glass.

 

1、High purity

The quartz mentioned earlier is composed of silicon dioxide (SiO2), and the main component of many types of glass is also silicon dioxide. And the content of silica in quartz glass is much higher than that of ordinary glass, usually as high as 99.999%. Do you think it is very "pure".

 

2、High temperature resistance

Of course, the reason why quartz glass can be used in numerous scientific research scenarios is very important because of its high heat resistance. Generally speaking, the operating temperature of quartz glass is between 1100 ℃ and 1200 ℃, and even if used for a short period of time, it can withstand high temperatures of 1400 ℃.

 

3、Good thermal shock resistance

This is because the linear expansion coefficient of quartz glass is very small, which is 1/10-1/20 of that of ordinary glass, and has good thermal shock resistance.

 

4、Excellent optical performance

The optical performance mentioned here is mainly reflected in the light transmittance, ultraviolet, and infrared transmittance.

 

5、Strong acid resistance

Except for hydrofluoric acid and hot phosphoric acid above 300 degrees, quartz glass has good acid resistance. Including sulfuric acid, nitric acid, hydrochloric acid, aqua regia, neutral salts, etc., quartz glass has good resistance.

 

6、Excellent electrical performance

Quartz glass not only has excellent optical properties, but also performs very well in terms of electrical properties. At room temperature, the resistance of quartz glass is 10 times that of ordinary glass, with minimal dielectric loss at all frequencies and high insulation and withstand voltage strength. Quartz glass is mainly used in electric light sources, semiconductors, new optical technologies, and other fields.

 

Formally based on the characteristics of quartz glass such as temperature resistance, acid resistance, low expansion, high transmittance, and excellent electrical properties, it has become an important material in modern science and technology. High and new technology fields such as semiconductor industry, optical communication and electric light source all have the potential of quartz glass.

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What are the advantages and characteristics of quartz glass

For laymen, the types of glass may be limited, as most glass is "the same" in appearance. But for glass professionals, there are so many types of glass that I am not sure if I can list them completely.


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The formation of quartz glass is due to the high temperature and viscosity of its melt. It is widely used in the production of semiconductors, electro-optic sources, semiconducting communication devices, lasers, optical instrument, laboratory instruments, electrical equipment, medical equipment, high-temperature and corrosion resistant chemical instruments, chemical industry, electronics, metallurgy, building materials, national defense and other industries.


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