Advantages of moulded glass bottles in pharmaceutical packaging
Pharmaceutical molded glass containers occupy an important position in the field of pharmaceutical packaging, and stand out for their unique characteristics, good compatibility and wide applications. This kind of container uses a mold to refine the glass liquid into a medicine bottle, which is not only diverse in shape, unique in design, but also large in capacity, especially for the packaging of large-capacity injection products
Molded glass bottles have significant advantages in terms of sealing compared to glass vials. This is mainly due to:
Manufacturing process: By injecting molten glass liquid into the mold to cool and cure, key parts such as the mouth, neck and shoulders of the molded glass bottle are precisely formed, thus ensuring superior sealing performance.
In addition, compared to blowing or drawing processes, the molding process is better at controlling the size and shape of the bottle, resulting in a closer fit between the bottle mouth and the seal.
Moulded glass bottles are similarly flexible and can be customized to suit different types of seals. By optimizing the shape and size of the bottle mouth, molded glass bottles can enhance the compression and resilience of the seals, thus further strengthening their sealing effect.
The application of surface treatment technology, such as frosting, spraying, etc., not only increases the roughness of the bottle surface or changes its wettability, but also improves the friction between the seal and the bottle, which is the icing on the cake for the improvement of sealing performance.
However, despite the many advantages of molded glass bottles, their production costs are relatively high. This is mainly because its production process is complex, requiring high-precision molds and professional production equipment. In addition, the scrap rate in the production process is also high, further pushing up production costs.
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