Characteristic
Brown glass is a colored glass with a proven track record in ensuring the long-term stability of photosensitive drugs. The composition of this Class I glass is stable, and by adding iron and titanium oxide, it ensures a stable and consistent brown color, thereby achieving light protection.
Physic properties
Coefficient of mean linear thermal expansion α(20℃;300℃)acc.to ISO 7991 | 4.9*10-6K-1Trans |
Transformation temperature Tg | 515℃ |
Glass temperature at annealing point logη=13 | 540℃ |
Glass temperature at soft point logη=7.6 | 783℃ |
Glass temperature at working point logη=4 | 1120℃ |
Density ρ at 25℃ | 2.32g/cm3 |
Chemical Properties
Hydrolytic Resistant Class | USP Type I; ISO 719 HGBI |
Acc. to ISO 719 | HGB I |
Acc. to USP 25 | Type I |
Acid Resistant Class | Class S1 |
Alkali Resistant Class | Class A2 |
Advantage
l Prevent UV irradiation and safely store photosensitive drugs formulations.
l Customizable specifications (best value options) can provide stricter tolerances or lower defect rates for applications.
l Provide customized options, such as different pipe end treatments and scratch resistant coatings, to achieve safer transportation.
l Complies with all international regulations, including Ph.Eur., USP, ISO, JP, ChP, YBB, REACH, RoHS.