Specifications
Glass tube
1) OD: 4mm to 40mm
2) WT :0.2mm to 1.2mm
3) Standard length: 1500mm
4) the glass tube MOQ: 1000kgs
Glass tube
thick glass tubes, energy saving lamp glass tube, glass pipes
Pharmaceutical Glass Tube
Technical Data: |
Physical Property | No. | Physical performance | Numerical Value | Unit | 1 | Coefficienf of mean linear thermal expansion(20°C,300°C) | 7.0±0.1 | 10-6K-1 | 2 | Transformation temperature | 550±15 | °C | 3 | Softening point | 750±10 | °C | 4 | Working point | 1110±20 | °C | 5 | Density at 20°C | 2.46±0.02 | g/cm3 | Main Composition | SiO2 | B2O3 | Na2O | BaO | CaO | Al2O3 | 70 | 6.6 | 11 | <2 | <3 | 6.2 | Chenical Property | Water resistance to ISO720 | 1 | Water resistance to European Pharmacopoeia | 1 | Water resistance to USP23 | 1 | Acid resistance Class(DIN12116) | 1 | Alkali resistance Class(ISO695) |
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