silicone bottle stopper
Where would the world be if there were not for useful gadgets such as a silicone bottle stopper? We do not know and we do not care, since we craft one of the best silicone bottle stoppers in the market, and will gladly answer any questions about the same or similar rubber-based products you might have. But, let us return to its highness, the silicone bottle stopper, and its features. Namely, the role of a silicone bottle stopper is to keep the insides of a bottle, container, or any other matching dish safe from external influences. What is also important to mention is that a silicone bottle stopper secures an air-tight environment, so you can be sure that the content of the bottle you seal with it will remain uncompromised. Besides that, you should be aware that the product we craft is food-grade certified, unlike alternative solutions one can find on the market.
Even though it might seem that any silicone bottle stopper can do it all, there are specific steps you should take in order to end up precisely with the product that meets your wants and needs. First of all, you must determine which size fits the bottle you want to enhance, because failing to find the exact match would not secure anything we have mentioned above. Silicone bottle stoppers come in various standard sizes, but we will gladly craft a customized version if you fail to find what you need among the standard offer.
Once you establish the dimensions, you should think about the features of your silicone bottle stopper to be. What that means is that you can either potentiate or avoid specific characteristics by making specific amends during the production process. We must provide you with precisely the silicone bottle stopper you need, thus, feed our support team with as many details about the product you need as possible, and we will materialize your idea in record time.
Stopper & Plug Size Catalog
Compare four stopper profiles and check the selected part dimensions against your opening and available depth. Each profile has its own drawing and dimension meanings.
RST T-Shaped Plugs
Match stem diameter A, flange diameter B, stem length C and flange thickness D. E refers to the underside recess; use the selected row and approved drawing to confirm the actual profile.

RSA Tapered Corks
Compare large-end diameter A, small-end diameter B and Height, in mm. The mating bore and required seating depth determine where the taper contacts the opening.

RSB Undercut Plugs
Compare neck diameter A, flange diameter B, flange-to-lip distance C and flange thickness D. Check panel thickness and rear clearance. E refers to the underside recess.

RSD T-Shaped Stoppers
Compare stem diameter A, flange diameter B, stem length C and head thickness D, in mm. Check the seating surface and available depth as well as the hole diameter.

Need a different fit? Share the opening dimensions, mating profile and intended use for a custom size.
Discuss Your RequirementsProduct specifications
- Product form
- Removable vessel-neck closure
- Material
- Silicone. Specify the compound grade for the selected service.
- Application focus
- Bottle necks. Size the part against the selected assembly.
- Dimensions to confirm
- Opening diameter, closure profile, insertion depth and exposed grip. Match these to bottle necks.
- Contact conditions
- Air and food ingredients: define concentration, temperature and contact time, then check compatibility with the chosen compound.
- Seating check
- Check the sealing contact around the opening and the force needed for insertion and removal.
Need a quote or a custom part?
Send your requirements, drawings or samples to discuss standard and custom silicone rubber parts.
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