Product Description
transparent quartz 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
|
Skepe:gjm-Amy
MSN:inpu02@hotmail.com
| Payment Terms: | T/T L/C Paypal Western Union |
| |
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