| Certification: | ISO |
|---|---|
| Application: | Glass |
| Type: | Quartz Tube |
| Transport Package: | Cartons, Pallets, Plastic Films |
| Specification: | Outdiameter: 4mm-30mm |
| Trademark: | SNAIL GLASS |
| Samples: |
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| Customization: |
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Suppliers with verified business licenses
Audited Supplier | Physical and Chemical Data | ||
| 1 | Coefficient of mean liner expansion(20ºC;300ºC) | (5.5±0.5)*10-6/k |
| 2 | Transformation temperature | 550±20ºC |
| 3 | Softening point | 760±10ºC |
| 4 | Working point | 1150±20ºC |
| 5 | Density at 20ºC | 2.45±0.02g/m3 |
| 6 | Light Transmittance(290nm-450nm, USP 660) | 0.0%-19.6% |
| 7 | Hydrolytic resistance(ISO 720) | HGA1 |
| 8 | Acid resistance(DIN 12116) | Class S1 |
| 9 | Alkali resistance(ISO 695) | Class A2 |
| Chemical Composion | ||
| 1 | Silicon Dioxide (SiO2) | 67.7 |
| 2 | Silicon Dioxide (B2O3) | 10.0 |
| 3 | Aluminium Oxide (Al2O3) | 6.0 |
| 4 | Calcium Oxide (CaO) | 1.5 |
| 5 | Barium Oxide (BaO) | 1.2 |
| 6 | Sodium Oxide (Na2O) | 7.3 |
| 7 | Potassium Oxide(K2O) | 2.0 |
| 8 | Iron Oxide (Fe2O3) | 0.9 |
| 9 | Titanium Oxide (TiO2) | 3.3 |
Suppliers with verified business licenses
Audited Supplier 
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