| Model NO.: | All models are available |
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| Min. Order (MOQ): | Negociation |
| Customization: | Available Customized Request |
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Phmarmaceutical Neutral Glass Tube COE 7.0(Clear/Amber) ** Low borosilicate glass tube COE 7.0 ** Sizes can be produced by customers' request. Physical Property No. Physical performance Numerical Value Unit 1 Coefficienf of mean linear thermal expansion(20ºC,300ºC) 7.0±0.1 10-6K-1 2 Transformation temperature 550±15 ºC 3 Softening point 750±10 ºC 4 Working point 1110±20 ºC 5 Density at 20ºC 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) 2
