One of the foremost advantages of pharmaceutical rubber stoppers is their ability to provide an effective barrier against contamination. Medications, especially injectables and vaccines, require sterile environments to remain safe for patient use. Pharmaceutical rubber stoppers create a tight seal that prevents bacteria, dust, and other external contaminants from entering the vial or bottle.

This hermetic sealing capability is crucial during storage, transportation, and handling. It helps maintain the sterility of the drug product until the point of use, reducing the risk of infection and ensuring patient safety.

Pharmaceutical rubber stoppers are designed to be chemically inert or compatible with a wide range of pharmaceutical formulations. The materials used, typically medical-grade synthetic rubber compounds like bromobutyl or chlorobutyl, do not react with the medicine, thus preventing contamination or alteration of the drug.

This chemical stability ensures that the medicine's composition, potency, and effectiveness remain unchanged over time. It is especially important for sensitive drugs that can degrade or react adversely to packaging materials.

The elastic properties of pharmaceutical rubber stoppers provide another key advantage. Their flexibility allows them to form a tight and secure seal on vial openings, accommodating slight variations in vial neck sizes without compromising sealing performance.

Moreover, the resilience of rubber stoppers means they can endure multiple punctures from needles during repeated access without losing their sealing ability. This is particularly important for multi-dose vials, where maintaining sterility after each puncture is critical.

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Stable production, Mature technology,  Quality stability. It has been normally supplied to Baxter Suzhou Plant for 10 years.
Pure formula and Good compatibility,which can meet the requirements of Baxter for all testing items of rubber stoppers and all the requirements of the national YBB standard.
Unique, stable and highly automated chlorination process ensures the uniformity of chlorination and ensures the high-speed online rate of the Suzhou plant
Special vulcanization and treatment process ensures the stability and drug compatibility of the stopper, and conforms to the biological safety and toxicological properties