Factory Custom High Temperature Resistant Large Diameter Optical Quartz Tube
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  • Factory Custom High Temperature Resistant Large Diameter Optical Quartz Tube
  • Factory Custom High Temperature Resistant Large Diameter Optical Quartz Tube
Factory Custom High Temperature Resistant Large Diameter Optical Quartz TubeFactory Custom High Temperature Resistant Large Diameter Optical Quartz Tube

Factory Custom High Temperature Resistant Large Diameter Optical Quartz Tube

Factory Custom High Temperature Resistant Large Diameter Optical Quartz Tube

Introduction of Quartz Tube
Quartz glass tubes are primarily made from high-purity silicon dioxide (SiO₂) and are widely used in cutting-edge fields such as chemical industry, semiconductors, and optical communications.

Physical and Chemical Properties of Quartz Tube

Mechanical Property
Reference Value
Density 2.203g/cm3
Compressive Strength
>1100Mpa
Bending Strength
67Mpa
Tensile Strength
48.3Mpa
Poisson's Ratio
0.14~0.17
Elastic Modulus
71700Mpa
Shearing Modulus
31000Mpa
Moths Hardness
5.3~6.5(Moths Scale)
Deformation Point
1280℃
Specific Heat(20~350℃)
670J/kg.℃
Thermal Conductivity(20℃) 
1.4W/m.℃
Refractive Index
1.4585
Coefficient of thermal expansion
5.5×10-7cm/cm.℃
Hot work temperature
1750~2050℃
The temperature for a short time
1300℃
The temperature for a long time
1100℃
Resistivity
7×107Ω.cm
Dielectric Strength
250~400Kv/cm
Dielectric Constant
3.7~3.9
Dielectric absorption coefficient
<4×104
Dielectric loss coefficient
<1×104

Application of Quartz Tube
Electroluminescent Industry: Used in the manufacture of gas laser lamps, high-pressure mercury lamps, and iodide tungsten lamps, leveraging its high-temperature resistance and good light transmittance to enhance lamp efficiency and lifespan.

Semiconductor Industry: Serves as quartz furnace tubes and associated quartz boats for high-temperature processes in semiconductor chip manufacturing, ensuring process stability and product quality.

Optical Field: As a substrate for optical devices, it is used in the production of optical fibers, lenses, prisms, etc., meeting the high precision optical performance requirements of optical communications, imaging, and laser technologies.

Chemical and Metallurgical Industries: Utilized in vacuum systems and high-pressure experimental equipment, ensuring stable operation through good gas tightness and pressure resistance.

Environmental Protection Industry: Used as the lamp tube for ultraviolet sterilization lamps in air purification and wastewater treatment, employing ultraviolet light to kill bacteria and viruses, with an annual growth rate exceeding 15%.

Quality Control of Quartz Tube

Each batch of quartz tubes is subjected to rigorous quality control measures, including inspection for defects, testing for purity, and ensuring that they meet the specifications for their intended applications.


Packaging of Quartz Tube

 Finally, the finished quartz tubes are carefully packaged to prevent damage during transport and storage.




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