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Manufactur standard Od5mm Polishing Capillary Quartz Glass Rod - High borosilicate 2mm wall thickness stripe glass tube – Hongya
Manufactur standard Od5mm Polishing Capillary Quartz Glass Rod - High borosilicate 2mm wall thickness stripe glass tube – Hongya Detail:
Technical Data of the High Borosilicate Glass:
1. Chemical composition:
SiO2>78% B2O3>10%
2. Physical and Chemical Properties:
| Coefficient of expansion | (3.3±0.1)×10-6/°C |
| Density | 2.23±0.02 |
| Water resistant | Grade 1 |
| Acid resistance | Grade 1 |
| Alkaline resistance | Grade 2 |
| Softening point | 820±10°C |
| Thermal shock performance | ≥125 |
| Maximum working temperature | 450°C |
| Tempered max. working temperature | 650°C |
3. Main Technical Parameters:
| Melting point | 1680°C |
| Forming temperature | 1260°C |
| Softening temperature | 830°C |
| Annealing temperature | 560°C
|
Package Details
Product detail pictures:
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By Nicole from Armenia - 2015.06.12 16:22
The customer service staff's answer is very meticulous, the most important is that the product quality is very good, and packaged carefully, shipped quickly!
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