Quartz Rod
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Quartz Rod
Description:
This clear quartz rod has the characteristics of high purity, heat resistance and low coefficient of thermal expansion. It serves as the material of the bridging rod for single-ended halogen lamps, optical fiber lighting, quartz fiber and semiconductor silicon chip processing, etc..
SiO2≥99.99%
Size Tolerance Scope
|
OD Scope |
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% |
Chemical composition Unit：ppm
|
|
|
|
|
|
|
|
|
|
|
|
|
|
20 |
1.0 |
3.5 |
3.5 |
1.0 |
2.0 |
0.5 |
0.3 |
0.5 |
<0.01 |
<0.2 |
2.0 |
Physical property：
|
|
2.2 |
|
Coefficient of expansion 25-300℃ ℃-1(×10-6) |
0.56 |
|
Softening point（℃） |
1710 |
|
Annealing point（℃） |
1230 |
|
Strain point(℃) |
1140 |
|
Youngs modulus(Pa) |
7.3×105 |
