1.5 dia round quartz glass rod
(1)high purity
(2)High temperature rsistance
(3)Low content of OH
1.5 dia round quartz glass rod
This clear quartz rod has high purity, elevated temperature characteristics and low coefficient of thermal expansion, It serves as the material of the bridging rod for single and halogen lamps, fiber optic lighting, quartz making, wafer carriers and push rods in semiconductor industry
1.Dimensional Tolerance
Range of OD
OD
≤6mm
±2.0%
6.00-15.00mm
±1.25%
15.00-20.00mm
±1.25%
20.00-25.00mm
±1.25%
25.00-30.00mm
±1.35%
30.00-50.00mm
±1.5%
2.Chemical Composition Unit: ppm
Cr
Ge
Fe
Mg
Ti
Ca
Al
Na
Li
K
OH
0.5
0.5
1.2
0.8
2.0
2.0
20
1.2
0.5
1.5
25
Physical Properties
Density 20 kg.m-3 (×103)
2.2
Coefficient of expansion 25-300 -1 (×10-6)
0.56
Softening point
1670
Annealing point
1210
Strain point
1110
Youngs modulus Pa
7.3×105
3.properties:
The material is similar to GE214 ,high purity,strong heat resistance and low coefficient of thermal expansion
4.application:
It is widely used for filament bridging rod, semiconductor,quartz wielding rod,etc