Neutral Glass Tube COE 7.0 1.Color:clear and amber. 2.Usage: for producing glass vial, ampoule, test tube

Phmarmaceutical Neutral Glass Tube COE 7.0

 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

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