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Home > Products > KGQ-Quartz glass > KGQ102-clear quartz glass tube
KGQ102 - clear quartz glass tube

Item: KGQ102
Name: clear quartz glass tube
Diameter: 3mm-460mm
Thickness: 0.5mm-30mm
Length: 5mm-4000mm
Material: high purity silica powder
Max heat-resistant temperature: 1200 degree C

Product Description


Clear quartz glass tube has good heat-resistant property, which is widely used as light tube, heater tube, industrial pipe, and so on.
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
(unit: ppm)Chemical composition:
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 <0.05 <0.1 <1.0
Characteristics:
Mechanical Property Reference Value
Density 2.2g/cm3
Deformation Point 1280℃
Softening Point 1780℃
Annealing Point 1250℃
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.℃
The temperature for a short time 1300℃
The temperature for a long time 1100℃