rubber cork stopper

rubber cork stopper

Our rubber cork stoppers are handy components meant to preserve liquids from a bottle. They’re more convenient than wooden corks for a few reasons. Not only is rubber more flexible but it’s more effective as a sealant. Even if wooden corks are made using material that allows them to slightly bend, a rubber cork stopper is by far the most bendable material. Thus, our rubber cork stopper is not only effective but highly durable as well. Rubber on its own is great for sealing bottles, test tubes, and similar glassware. But we make our products using the finest quality rubber. This enhances the durability of the component and makes it overall a better component than a wooden cork stopper.

The nature of this component requires the stopper to be chemical resistant. Using a unique combination of various rubber materials, we’ve designed a cork stopper that prevents liquids from spilling out of a bottle as well as chemicals. Thus, our product can be used across many industries. While most of our clients shop for rubber cork stoppers for bottles, that doesn’t mean businesses don’t require our products. 

Given the nature of the demand for our components, we make rubber cork stoppers in different sizes. From one-inch diameter openings down to a quarter of an inch, we have it all. To know more about that, our website has all the resources you need to make the right purchase.

Rubber corks stoppers are ideal for bottles, testing tubes, and similar glassware. So feel free to browse our website to know more about the many products we have. If you need help with picking the right product, we are more than happy to help. Feel free to contact us through our website and for any assistance in picking the ideal rubber cork stopper size. 

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.

Blind-Hole · RSTTapered · RSAUndercut · RSBT-Shaped · RSD

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.

Dimension guide

Product appearance

PartNo.	A（mm）	B（mm）	C（mm）	D（mm）	E（mm）
RST2.5-5.5-5.3	2.5	5.5	5.3	2	0
RST2.7-5.5-5	2.7	5.5	5	2	0
RST3-4.3-4.5	3	4.3	4.5	0.8	0
RST3-7-7	3	7	7	2.2	0
RST3.3-6.5-6	3.3	6.5	6	1.5	0
RST3.5-6.5-6	3.5	6.5	6	2	0
RST3.8-7-10.5	3.8	7	10.5	1.5	0
RST3.8-7-7	3.8	7	7	1.5	0
RST3.8-7-6	3.8	7	6	1.5	0
RST4-7.5-6	4	7.5	6	2	0
RST4-9.5-7	4	9.5	7	2.5	0
RST4.3-8-6	4.3	8	6	1.5	0
RST4.5-7.5-6	4.5	7.5	6	2	0
RST4.8-6.8-3.6	4.8	6.8	3.6	0.9	0
RST4.8-9-7	4.8	9	7	1.5	0

Need a different fit? Share the opening dimensions, mating profile and intended use for a custom size.

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