Pharmaceutical neutral glass tube
Pharmaceutical Neutral Glass Tube COE 7.0 &5.0(Clear/Amber)
Color:clear and amber.
Usage: for producing glass vial, ampoule, test tube
Technical Data for Pharmaceutical Glass Tubing 5.0&7.0
| GLASS TYPE | PHARMACEUTICAL GLASS TUBING 5.0 | PHARMACEUTICAL GLASS TUBING 7.0 | |
| CHEMICALCOMPONENTS | SIO2 | 75% | 70% |
| B2O3 | 11% | 6.6% | |
| Al2O3 | 5.4% | 6.2% | |
| BaO | 0.5% | 2% | |
| CaO | 0.5% | 3.3% | |
| Na2O | 6.5% | 7.5% | |
| K2O | 0.5% | 4.3% | |
| PHYSICALPROPERTY | Expansion (20-300°C) | 4.9*10-6K-1 | 7.0*10-6K-1 |
| Annealing Point | 540°C | 550°C | |
| Soften Point | 783°C | 730°C | |
| Working Point | 1120°C | 1110°C | |
| Transformation Point | 520°C | 510°C | |
| Density | 2.32g/cm3 | 2.47g/cm3 | |
| CHEMICAL PROPERTY | Hydrolytic resistance | 0.35 USPTYPE I ISO 719 HGBI | 0.9-1.0 ISO 720 |
| Acid resistance class (DIN12116) | S1 | S1 | |
| Alkali resistance class (ISO695) | A2 | A2 | |
II. Specification for regualr tube (UNIT: MM)
| O.D. Range | W. T. Range | Tol. on O. D. | Tol. on W. T. |
| 6.00-8.90 | 0.6-0.95 1.00-1.15 1.20-1.40 | 0.15 0.15 0.20 | 0.03 0.04 0.04 |
| 9.00-13.50 | 0.50-0.55 0.60-1.00 1.05-1.35 1.40-1.50 | 0.13 0.15 0.20 0.25 | 0.02 0.03 0.04 0.05 |
| 13.60-15.50 | 0.50-0.55 0.60-1.00 1.10-1.35 1.40-1.50 | 0.13 0.18 0.20 0.25 | 0.02 0.03 0.04 0.05 |
| 15.60-19.90 | 0.50-0.60 1.05-1.35 1.40-1.60 | 0.15 0.20 0.30 | 0.03 0.04 0.05 |
| 20.00-23.50 | 0.55-1.20 1.25-1.35 1.40-1.60 | 0.20 0.24 0.30 | 0.04 0.05 0.06 |
| 23.60-24.90 | 0.55-1.05 1.10-1.35 1.40-1.60 | 0.20 0.24 0.30 | 0.04 0.05 0.06 |
| 25.00-28.00 | 0.55-1.05 1.10-1.35 1.40-1.60 | 0.25 0.25 0.30 | 0.04 0.05 0.06 |
| 28.10-29.90 | 0.55-1.05 1.10-1.35 1.40-1.60 | 0.25 0.25 0.30 | 0.04 0.05 0.06 |
| 30.00-32.00 | 1.00-1.35 1.40-1.50 | 0.30 0.40 | 0.05 0.08 |



















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