Blue rubber butyl stopper 30mm
You probably already know that a blue rubber butyl stopper 30mm is used as a cap to close and seal containers. Due to the fact that it ensures a gas-tight seal, it is not only used across several industries, but a lot of people purchase an entire package of these stoppers to stock their inventory and use them when working on different types of projects. As you can assume, these items come in numerous sizes to meet the customers’ demands and requirements.
Now, there are many variations of rubber stoppers on the market, so you must be wondering why a blue rubber butyl stopper 30mm may be the best choice for you. Well, even though you are familiar with the properties of rubber, don’t forget that we are talking about butyl rubber, and this type has even better features to offer. First of all, it is very flexible since it is known as an elastomer that is gas-resistant. When it comes to damping capacity, it is pretty good, but keep in mind that this is only the case when the stopper is stored at room temperature. Ideally, this item would be used in a temperature range between -50 and 250°F. Even though it retains its elasticity at a lower temperature, its damping properties will steadily decline the higher the temperature gets.
Furthermore, there are also some essential features one would expect. For example, its resistance to natural wear and tear, physical damage, and abrasions is very good. In a nutshell, not only is blue rubber butyl stopper 30mm very durable and almost impossible to destroy, but it lasts a long time. In addition, this type of rubber is also resistant to chemicals, which may be a crucial requirement to some customers. It goes without saying that it can withstand oxidation, weather conditions, sunlight, etc.
Our Butyl Stoppers Size Chart
Bottle Stopper Size Catalog
Compare the listed butyl stopper dimensions against the bottle opening and seating arrangement. Confirm the selected profile using the part drawing.
Custom colors are available to your Pantone color code. Include the code in your inquiry.
Butyl Rubber Stopper(Anaerobic bottle stopper)
Compare A, B, C, D and E in mm against the selected stopper drawing. The illustration shows a related profile; confirm the precise underside and fit before specifying the part.

Need a different size? Share your drawing, mating dimensions and intended use to discuss a suitable part.
Discuss Your RequirementsProduct specifications
- Product form
- Vial or bottle closure matched to its neck finish
- Material
- Butyl rubber. Specify the compound grade for the selected service.
- Dimensions to confirm
- Vial neck bore, sealing flange, plug depth and any crimp-cap interface.
- Nominal size reference
- 30mm. Identify what each nominal value measures and confirm all mating dimensions and tolerances.
- Color options
- Custom colors are available to your Pantone color code. Include the code in your inquiry.
- Contact conditions
- Other gases: define concentration, temperature and contact time, then check compatibility with the chosen compound.
- Exposure to evaluate
- Sunlight or UV and outdoor weather. Validate the selected material under the combined conditions.
- Seating check
- Check the sealing contact around the opening and the force needed for insertion and removal.
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