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1. UV filter quartz tube
2. OD:8.8mm
3. Thickness:1mm
4. Length:100mm
5. Customized drawings are available
High purity&heating-resistance
OD range 1mm-300mm, Silicon Dioxide>99.95%
Transmittance of visible light>80%
Chemical composition(ppm):
|
Al |
Fe |
K |
Na |
Li |
Ca |
Mg |
Cu |
Mn |
Pb |
B |
Cr |
Ti |
OH |
|
16 |
0.3 |
0.7 |
0.8 |
0.6 |
0.3 |
0.1 |
0.05 |
0.05 |
0.01 |
0.2 |
0.1 |
1.2 |
1-5 |
Physical Properties:
|
Density 20°C kg*m-3(×103) |
2.2 |
|
Coefficient of expansion 25-300°C°C-1(×10-6) |
0.56 |
|
Softening point (°C) |
1670 |
|
Annealing point (°C) |
1210 |
|
Strain point (°C) |
1110 |
|
Youngs modulus (Pa) |
7.3×105 |
| Item | OD/mm | Thickness/mm | Length/mm |
| Fire polished UV filter quartz glass tube | 8.8 | 1 | 100 |
| Tolerance | ±0.1 | ±0.05 | ±1 |
