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  Neutral Glass tubing

    The optimal choice used for pharmaceutical glass containers must be neutral borosilicate glass tubes due to numerous advantages over other primary packaging materials available on the market. Four Star Glass was far ahead of his time in China when he introduced FS50 tubing in 2007 for pharmaceutical packaging. Since then, FS50 glass tubing has been improved year by year to approach premium quality glass of the first hydrolytic class. This unique product in China has outstanding chemical resistance, neutrality, and its exceptional strength as well as resistance to heat attack. Containers from FS50 glass tubes are geared to storing and delivering a wide range of injectable, as well as sensitive biotech drugs.Today, Four-star is still a leading company in the Chinese market for top-of-the-range pharmaceutical packaging glass tubing.

    In case the specification of tubes required by a customer is unconventional, it is necessary to provide a drawing to check, if available we also acc PHEur, or USP to supply

 

 The Physic-chemical Properties of Four-star Glass tubes

 

Physic properties

Coefficient of mean linear thermal expansion

(20; 300) acc. to ISO 7991

4.910-6K-1Trans
Transformation temperature Tg
515
Glass temperature at annealing point log=13
535
Glass temperature at soft point log=7.6
783
Glass temperature at working point log=4
1020
Density at 25桡
2.32 g/cm3

 

Chemial Properties

Hydrolytic Resistant Class

Acc. to ISO 719
HGB I
Acc. to USP 25
Type I
Acid Resistant Class
A I
Alkali Resistant Class
A 2
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