Clear Domed Quartz Tube
1.high purity, no bubble
2.max diameter 300mm
3.High work temeprature.
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Clear Domed Quartz Tube Â
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Clear Domed Quartz Tube
1.high purity, no bubble
2.max diameter 300mm
3.High work temeprature.
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Material properties
High Durability
High Corrosion Resistance
Low Thermal Expansion Coefficient
Working temperature: 1100°C=2012°F
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Specification
Outside diameter (mm) | Thickness (mm) | Thickness tolerance (%) | Outside diameter tolerance (%) |
3-50 | 1-5 | +/-5 | +/-1 |
50-100 | 2-5 | +/-5 | +/-1 |
100-200 | 3-6 | +/-5 | +/-1 |
200-460 | 4-8 | +/-5 | +/-1 |
About the tolerance, when the thickness is thin, the tolerance is also smaller. (min:±0.1)
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Chemical composition                                                  unit: ppm
Al | Fe | K | Na | Li | Ca | Mg | Cu | Mn | Cr | B | Ti |
5-12 | 0.19-1.5 | 0.71-1.6 | 0.12-1.76 | 0.38-0.76 | 0.17-1.23 | 0.05-0.5 | 0.05 | 0.05 | |
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Characteristics
Mechanical Property | Reference Value |
Density | 2.2g/cm3 |
Deformation 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 |
Refractive Index | 1.4585 |
Coefficient of thermal expansion | 5.5×10-7cm/cm.°C |
Hot work temperature | 1750~2050°C |
The temperature for a short time | 1300°C |
The temperature for a long time | 1100°C |
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Further-processing:
 Ends closing, sand blasting, polishing, bending, cutting,  pinching, burning mouth and so on
 The special one, please kindly send me the drawing. We can produce as your requirements.
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We supply all kinds quartz tube:Clear quartz tube, Opaque quartz tube, Red quartz tube, UV blocking quartz tube , Frosty quartz tube , Helical quartz tube and so on.
