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A pharmaceutical rubber stopper is a rubber elastomer product with a certain shape and size, used for sealing the mouth of the glass, plastic, and other medical bottle containers. Its structure can be roughly divided into three categories: tapered, T-shaped, and flanged; According to the use, it can be divided into antibiotic stoppers, biological drug stoppers, spray corks, and infusion stoppers. The stopper compound is required to be free of harmful soluble substances such as lead, mercury, arsenic, barium, etc., which do not work with the loadable agent, and the stopper itself cannot have ejections. Widely used in the pharmaceutical and medical industries.
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The pharmaceutical rubber stopper is an integral part of medicine. Its main function is to seal and store the medicine in a relatively small aseptic inert environment, isolated from the external common environment so that the medicine can maintain its efficacy within the validity period. If there is an abnormality in the rubber stopper, the medicine may become invalid or even deteriorate, posing a threat to the lives of the people. The physical properties of the rubber stopper play a decisive role in the sealing of the medicine. The physical properties of rubber stoppers are very important and indispensable to the quality of medicines.
Rubber stoppers are ideal for plugging joints or holes in laboratory glassware and creating a liquid-tight seal. Rubber bungs are often used with glass containers such as test tubes, flasks, jugs, and many other pieces of standard lab equipment.
Rubber Closures (Stoppers) provide a barrier between the neck of a vial and the vial contents and thus maintaining sterility and preventing contamination. It creates an air- and fluid-proof seals in containers. Rubber Stoppers are available in Synthetic and Natural Polymers.
Pharmaceutical closures, also known as stoppers or bungs, are an important part of the final packaging of pharmaceutical preparations, particularly those that are intended to be sterile. The most commonly used type of stopper is the elastomeric closure.
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