| Customization: | Available |
|---|---|
| Type: | 4U |
| U-Tube Number: | 2U |
|
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20% Lead glass tube property and composition
| No. | Lead glass tube (Composition) |
Tolerance | ||
| 1 | Density | g/cm3 | 2.85 | +/-0.02 |
| 2 | Coefficient of expansion (20ºC~300ºC) | 10-7K-1 | 91 | +/-1.5 |
| 3 | Softening point | ºC | 635 | +/-10 |
| 4 | SiO2 | Wt.% | 62.5 | +/-0.5 |
| 5 | Al2O3 | Wt.% | 1.5 | +/-0.4 |
| 6 | Na2O+K2O | Wt.% | 14 | +/-0.5 |
| 7 | PbO | Wt.% | 20 | +/-1.0 |
| 8 | BaO+SrO | Wt.% | +/-1.0 | |
| 9 | B2O3 | Wt.% | +/-0.5 | |
| 10 | Others | Wt.% | 2 | +/-0.5 |
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