Fused silica glass, also known as fused quartz, is used in various applications due to its unique properties.
These properties include a very low coefficient of thermal expansion, resistance to high temperatures, optical clarity, high chemical purity, and excellent electrical insulation qualities.
4 Key Applications of Fused Silica Glass
1. Laboratory Equipment
Fused quartz is used in some laboratory equipment where its high melting point and transmission of UV light are required.
Examples include tube furnace liners and UV cuvettes.
However, the cost and manufacturing difficulties associated with fused quartz make it less common for general laboratory equipment compared to borosilicate glass.
2. Optics and Precision Mirror Substrates
Due to its low coefficient of thermal expansion, fused quartz is a useful material for precision mirror substrates.
It is also used in ultraviolet transmission, clear lens, and other optics for the ultraviolet spectrum.
3. Thermocouple Protection Tubes
Fused quartz tubes are used as protection for thermocouples, especially in applications involving molten precious metals.
Their resistance to high temperatures and chemical purity are beneficial in these applications.
4. Electrical Insulation
The excellent electrical insulation qualities of fused silica make it suitable for various electrical applications.
While specific examples are not detailed in the provided text, its properties suggest potential applications in this field.
Summary
Fused silica glass is primarily used in applications requiring high thermal resistance, UV transmission, and precision in optics.
Its use in laboratory equipment, optics, and thermocouple protection tubes highlights its value in specialized and high-precision applications.
However, its higher cost and manufacturing challenges limit its use compared to other types of glass like borosilicate, which is more commonly used in a broader range of applications due to its balance of properties and cost-effectiveness.
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