black rubber stopper

black rubber stopper

The use of a black rubber stopper can be manyfold, even though a layman could tell its only purpose is to seal a specific glass container. Even though one would not be wrong to have an assumption such as the aforementioned, we should underline that black rubber stopper solutions are cherished for more complicated reasons than simple sealing. Namely, the most represented material used in the production of a black rubber stopper is the rubber, which allows it to hermetically seal the object in question. That is especially important because it allows the kept fluid or any other material to be safeguarded from external influences. Also, the rubber materialization prevents potential vapors from escaping from the insulated container.  

Even though they perform ideally when they seal containers containing non-aggressive materials, the materialization of a black rubber stopper can be adjusted according to our client’s wants and needs. What you should do is contact our team of experienced professionals and expose your idea to them. Only by working together will you come up with a perfect solution to your problem. Besides offering a professional piece of advice, our support team will gladly materialize your plan as long as you provide them with sufficient data or a customized project you could not realize on your own.  

Besides the materials, you can also pick the color you want, even though black is considered a standard colorization when rubber stoppers are in question. Naturally, the color you choose does not affect the performance of the stopper, therefore, feel free to emphasize if the non-standard variation is what you want to purchase. Even though a black rubber stopper should serve its purpose for a specific time, we advise you to buy in bundles, since the price tag can be reduced if you decide to order numerous products. 

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.

Custom colors are available to your Pantone color code. Include the code in your inquiry.

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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