Pharmaceutical neutral glass tube Type I
Manufactured strictly according to international standards
Product Feature
Place of Origin China
Material Glass
Industrial Use Pharmaceutical
Use Liquid Medicine
Sealing Type Rubber Stopper
Place of Origin China
Material Glass
Industrial Use Pharmaceutical
Use Liquid Medicine
Sealing Type Rubber Stopper
Product Specification/Models
Pharmaceutical neutral glass tube Type I
Pharmaceutical Clear Glass Tubing COE 7.0
Coefficient of Linear Expansion
α20.300 According to DIN:52328 7.0±0.1×10-6/K
Transformation Temperature: 550
Softening Point: 750
Working Point: 1110
Density ρ 2.46 g/cm3
Hydrolytic Class, according
to ISO 720 1
to European Pharmacopoeia 1
to USP 23 1
Acid Class (DIN 12116) 1
Alkali Class (ISO 695) 2
Chemical Composition
(main composition in Approx. weight %)
SiO2 70
B2O3 6.6
Al2O3 6.2
Na2O 11
BaO <2
CaO <3
Pharmaceutical neutral glass tube Type I
Pharmaceutical Clear Glass Tubing COE 7.0
Coefficient of Linear Expansion
α20.300 According to DIN:52328 7.0±0.1×10-6/K
Transformation Temperature: 550
Softening Point: 750
Working Point: 1110
Density ρ 2.46 g/cm3
Hydrolytic Class, according
to ISO 720 1
to European Pharmacopoeia 1
to USP 23 1
Acid Class (DIN 12116) 1
Alkali Class (ISO 695) 2
Chemical Composition
(main composition in Approx. weight %)
SiO2 70
B2O3 6.6
Al2O3 6.2
Na2O 11
BaO <2
CaO <3