Clear Neutral borosilicate Glass Tubes
Characteristic
This high-quality Class I borosilicate glass has excellent chemical resistance, hydrolysis resistance, impermeability, and reaction neutrality, which can prevent premature aging and failure of the contents. It is a safe packaging medium for injection and biotechnology products, meeting the bottle making needs of pharmaceutical packaging containers such as Pharmaceutical bottles, Ampoules, Prefilled syringes, and Cartridge bottles.
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 Due to improved extractable and leach physical spectrum, it has excellent chemical quality.
l The glass composition does not contain heavy metals such as arsenic or antimony.
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.
