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| Customization: | Available |
|---|---|
| Material: | Glass |
| Recycled: | Recycled |
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| No | Physical & Chemical Pherformance | Data |
| 1 | Coefficient of mean liner expansion(20ºC;300ºC) | (5.0±0.5)*10-6/k |
| 2 | Transformation temperature | 560±15ºC |
| 3 | Softening point | 780±10ºC |
| 4 | Working point | 1150±20ºC |
| 5 | Density at 20ºC | 2.30±0.02g/m3 |
| 6 | Hydrolytic resistance(ISO 720) | HGA1 |
| 7 | Acid resistance(DIN 12116) | Class S1 |
| 8 | Alkali resistance(ISO 695) | Class A2 |
| Items | SiO2 | B2O3 | Al2O3 | CaO | BaO | K2O | Na2O | Fe2O3 |
| Data | 73.5 | 10.6 | 6 | 1.2 | 0.8 | 0.6 | 7 | <400ppm |
| Spec | Out Diameter of Glass Tube | Wall Thickness of Glass Tube | ||
| ML | Basic Size | Deviation Limit | Basic Size | Deviation Limit |
| 1 | 10.75 | ±0.15 | 0.50 | ±0.03 |
| 2 | 10.75 | ±0.15 | 0.50 | ±0.03 |
| 3 | 12.75 | ±0.15 | 0.50 | ±0.03 |
| 5 | 14.75 | ±0.15 | 0.55 | ±0.03 |
| 10 | 17.75 | ±0.20 | 0.60 | ±0.04 |
| 20 | 22.50 | ±0.25 | 0.70 | ±0.04 |
| 25 | 22.50 | ±0.25 | 0.70 | ±0.04 |
| 30 | 22.50 | ±0.25 | 0.70 | ±0.04 |
| Outer Diameter | Wall Thickness | Length | Straightness | ||||
| Basic Size | Deviation | Basic Size | Deviation | Basic Size | Deviation | Measuring Distance | t<= |
| 16.00 | ±0.18 | 1.00 | ±0.03 | 1000-2000 | ±6.00 | 1000.00 | 2.5‰ |
| 16.25 | ±0.18 | 1.00 | ±0.03 | ||||
| 18.40 | ±0.20 | 1.00 | ±0.03 | ||||
| 22.00 | ±0.22 | 1.10 | ±0.03 | ||||
| 24.00 | ±0.22 | 1.10 | ±0.03 | ||||
| 26.00 | ±0.28 | 1.20 | ±0.03 | ||||
| 28.00 | ±0.28 | 1.20 | ±0.04 | ||||
| 32.00 | ±0.30 | 1.30 | ±0.04 | ||||
| O.D(mm) | O.D Tolerance | I.D(mm) | I.D Tolerance(mm) |
| 6.85 | ±0.10 | 4.65 | ±0.10 |
| 8.15 | ±0.10 | 6.35 | ±0.10 |
| 10.85 | ±0.10 | 8.65 | ±0.20 |
| 14.45 | ±0.10 | 11.85 | ±0.20 |
| 17.05 | ±0.20 | 14.25 | ±0.20 |
| 22.05 | ±0.20 | 19.05 | ±0.20 |
| O.D(mm) | O.D Tolerance | I.D(mm) | I.D Tolerance(mm) |
| 8.65 | ±0.10 | 6.85 | ±0.10 |
| 10.85 | ±0.10 | 8.65 | ±0.10 |
| 10.95 | ±0.15 | 9.25 | ±0.10 |
| 11.60 | ±0.15 | 9.65 | ±0.10 |
| 14.00 | ±0.15 | 12.00 | ±0.15 |
| 14.45 | ±0.15 | 11.85 | ±0.15 |
| 18.25 | ±0.15 | 16.05 | ±0.15 |







