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Transparent Quartz Tubes

Writer:World Quartz  Date: 2014-10-21 12:11:12

                             

Standard transparent quartz tube (fused silica tubing) is made of high purity silica sand by automatic-controlled electric fusing furnace. It has the characteristics of high purity, strong heat resistance, high transmission and accurate dimension etc. We also offer ordinary de-hydroxyl tube & vacuum de-hydroxyl tube, hydroxy (OH) can be controlled less than 5PPM. (GE214, 214LD, Heraeus HLQ200, 210 type)
 
Application
It is widely applied for halogen lamp, mercury lamp, single-ended lamp, automobile lamp, stage lamp, thermocouple, printer lamp, sleeve for water treatment lamp, high-pressure mercury lamp, metal halide bulb, quartz utensils and pipes etc.
Specifications
Diameter: 2mm-300mm
Wall thickness:0.8-10 mm
Length: 40mm-3000mm
Specifications can be made by the requirement of customers.
Packing: Carton + wooden case.
Chemical composition   unit : ppm

 
Al
 
Fe
 
K
 
Na
 
Li
 
Ca
 
Mg
 
Cu
 
Mn
 
Pb
 
B
 
Ti
16 0.8 3.0 2.5 0.7 1.0 0.5 0.3 0.5 <0.01 <0.2 2.0
 
 
Physical Properties
Density 20 deg c 2.2 kg*m-3(×103)
Coefficient of expansion 25-300 deg c 0.56 deg c -1(×10-6)
Softening point 1710 deg c
Annealing point 1230 deg c
Strain point 1140 deg c
Youngs modulus 7.3×105 Pa