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Understanding 20mm Butyl Rubber Stoppers

Butyl rubber stoppers, particularly those measuring 20mm, are essential components in various industries, serving as sealing elements. These stoppers are crafted from a synthetic rubber known as butyl, which provides them with their characteristic resilience and impermeability to gases. The 20mm dimension refers to the diameter, making these stoppers suitable for standard-sized openings in numerous applications.

Types and Applications

The 20mm butyl rubber stopper comes in different forms to cater to a range of uses. From pharmaceuticals, where they seal injection vials, to laboratory settings for securing the contents of test tubes and flasks, their versatility is evident. The stoppers are also utilized in industrial settings, where airtight sealing is paramount.

Material Composition and Features

Butyl rubber, the primary material in these stoppers, is known for its excellent air and gas impermeability. This makes the 20mm butyl stopper highly effective in maintaining the integrity of container contents. They are often available in various colors, such as gray, red, and transparent, to suit different preferences and to enable visual identification.

Manufacturing Processes

The production of 20mm butyl vial stoppers involves processes like moulding and cutting, ensuring precision and consistency in size and shape. This meticulous manufacturing process is crucial for ensuring the stoppers perform their sealing function effectively.

Advantages of Butyl Rubber Stoppers

Butyl rubber stoppers, especially the 20mm rubber stopper, offer several advantages. Their chemical inertness makes them suitable for sensitive applications, such as in pharmaceuticals, where they do not react with the contents. Additionally, their flexibility and durability ensure a long-lasting seal, reducing the need for frequent replacements.

Choosing the Right Supplier

Selecting a supplier for 20mm butyl stoppers on Alibaba.com involves considering the variety of options available. It is important to evaluate the specifications provided by suppliers to find the stopper that meets the application's requirements.