Amber Pharmaceutical Glass Tubes

We are making and supplying amber pharmaceutical glass tubes for ampoules and vials in china.The sizes are from O.D6mm to O.D40mm,standard export length is 1500mm.
Lasor equipments are applied for appearance checking and sizes controlling,auto-packing machines are also installed to improve the efficency.Good quality can be guranteed from us on the 15-year production experience.
 The technical datas are as below:
  Chemical Compostion: By weight: %
SiO ₂ :74
Al ₂ O ₃ :3.8
B ₂ O ₃ :3.2
CaO:5.8
BaO: 0.9
Na ₂ O+K ₂ O:12.2
 
Technical Datas:
Expansion:(7.8±0.1)×10 -6 K-1 / ºC
Density:2.47±0.02g/cm 3
Water-resistance(ISO 720): Class II
Acid-resistance: Class III
Alkali resistance(ISO695): Class III
Working point: 1080±20 ºC
Softening point:720ºC
Transformation temperature: 525 ±15 ºC 
 The amber pharmaceutical glass tubes are usded by all known ampoule and vial makers in china,and also exported to South Korea,India,Pakistan,Indonesia,Vietnam,Russia etc.






 

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