Pharmaceutical Glass Tubes 7,0

The pharmaceutical glass tubes are widely used for making ampoules and tubular vials,the detailed technical datas are as below: Physical & chemical performance: Expansion:(71.5±0.5)×10 -7 K-1 / Density:2.46±0.02g/cm 3 Water-resistance(ISO 720): first class Acid-resistance: first class Alkali resistance(ISO695): II class Working point: 1110±20 Softening point:745 Annealing point: Transformation temperature: 550 ±15 Composition of our pharmaceutical glass tubes-by weight: SiO 2 :69 Al 2 O 3 :5.51 B 2 O 3 :6.38 CaO:3.5 BaO: 2.8 Na 2 O:9.40 K 2 O:2.81 Fe 2 O 3 :0.10 F:0.33 CL:0.01 The monthly production capacity is 1200M.Tons.