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| Customization: | Available |
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| Color: | Transparent, Clear |
| Certification: | ISO9001 |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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| Product Name | Lead free glass tube |
| Diameter | Outside diameter from 2mm to 45mm |
| Feature | ease of processing |
| Processing | Cutting, fire polishing, sealing |
| Packing | Carton, pallet, wooden crate |
| No. | Composition | Wt.% | Tolerance |
| 1 | SiO2 | 67.6 | +/-1.0 |
| 2 | BaO | 8.9 | +/-0.5 |
| 3 | Na2O | 7.5 | +/-0.5 |
| 4 | K2O | 4.9 | +/-0.5 |
| 5 | Al2O3 | 3.4 | +/-0.4 |
| 6 | SrO | 3.0 | +/-0.4 |
| 7 | CaO | 1.9 | +/-0.3 |
| 1 | Coefficient of mean linear thermal expansion (20ºC~380ºC) | 9.1 | 10-6K-1 |
| 2 | Density | 2.62 | g/cm3 |
| 3 | Softening point | 675 | ºC |
| 4 | Stress point | 455 | ºC |
| 5 | Working temperature | 1020 | ºC |
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