pH360 Glass Tube (Lead Free Glass Tube)
pH360 glass tube (lead free glass tube) is the ideal choice for meeting strict global environmental standards and diverse industrial & commercial needs. Crafted with advanced lead-free formula and precision processing technology, our glass tubes combine exceptional safety, superior performance, and elegant appearance, making them highly sought-after in international markets.
Lead free glass tube is availabe in custom dimensions and easy to be processed, formed or sealed with other material, it is widely used for the production of pH glass sensor, pH electrode, pH meters and in lamp lighting and electronic industry.
Production Description of Lead Free Glass Tube:
Product Name | pH360 glass tube, lead free glass tube, 8366 glass tube |
Diameter | Outside diameter from 2mm to 45mm |
Feature | Ease of processing |
Processing | Cutting, fire polishing, sealing |
Packing | Carton, pallet, wooden crate |
Technical Data
Main Chemical Composition:
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 |
Physical Data:
1 | Coefficient of mean linear thermal expansion (20℃~380℃) | 9.1 | 10-6K-1 |
2 | Density | 2.62 | g/cm3 |
3 | Softening point | 675 | ℃ |
4 | Stress point | 455 | ℃ |
5 | Working temperature | 1020 | ℃ |
