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quartz glass tube 



Product Information


Size: 

















OD1.4-900mm
Thickness0.5-25mm
Length0-3000mm

Main Appilication: light, sources, semiconductor, optical, communications, military, buildingmaterials, chemical, mechanical, electrical, environmental protection and other fields.


Material properties of transparent quartz glass:
High Durability
High heat resistance
High Corrosion Resistance
Low Thermal Expansion Coefficient


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The physical properties of quartz glass






































Mechanical behavior



Standard values



Density



2.2g/cm3



Compressive strength



1100Mpa



Flexural strength



67Mpa



Poisson's ratio



0.14~0.17



Young's modulus



72000Mpa



Modulus of rigidity



31000Mpa



Mohs hardness



5.5~6.5


 


























































































Mechanical behavior



Standard values



Transformation point



1280°C



Softening Point



1780°C



Annealing point



1250°C



Specific heat (20 ~ 350 °C)



670J/kg.°C



Thermal conductivity (20 °C)



1.4W/m.°C



Index of refraction



1.4585



Low thermal expansion coefficient



5.5*10-7cm/cm.°C



Thermal processing temperature



1750~2050°C



Short-term use temperature



1300°C



Long-term use temperature



1100°C



Material 



Silicon Dioxide (Natural Quartz )



Color 



Transparent or colorless 



Surface 



No Air Bubble ,no process 



Density



2.2 g/cm 3



Degree of Hardness



5.5-5.6 Moh’s Scale



Softening Point



1750 C



Strain 



1270 C Fused The Quartz Glass Brick



PPM grade 



Controlled 10/20/100 PPM



Shape 



Circle/Square /Rectangle 



Thickness 



0.5 MM-40 MM



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0.0038 s.