A pharmaceutical rubber stopper is a small, cylindrical component made of rubber that is used to seal the opening of a medication container, such as a vial or an ampoule. These stoppers are an essential component in the packaging and delivery of injectable medications.
Rubber stoppers for pharmaceutical use are made from elastomeric materials such as bromobutyl or chlorobutyl rubber, which have properties that make them suitable for use in sterile environments. These materials have a low particle generation and excellent chemical resistance, which ensures the purity and sterility of the medication during storage and delivery.
The stopper is inserted into the neck of the container and forms a seal to prevent the escape of the medication and to prevent contaminants from entering the container. The stopper is also designed to be punctured by a needle or cannula, allowing the medication to be extracted from the container.
Pharmaceutical rubber stoppers are subjected to stringent quality control measures to ensure that they meet the required standards for sterility, particulate matter, and extractables. These stoppers are available in a range of sizes and configurations to accommodate different types of medication containers and delivery systems.
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