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RUBBER & SILICONEStandard parts. Custom solutions.

Rubber cork stopper

Rubber cork stopper

What makes the rubber cork stopper very good is that it helps combine the recovery features and compressibility of a cork with rubber materials’ shelf life and flexibility. In the end, you will have one of the best ways for you to ensure you stop any type of pipe or material quickly. This is one of the best sealing solutions on the market. It can deliver strong resistance against a multitude of materials and liquids, including oil.
There are no leaks; once you use a rubber cork stopper, everything is airtight. This is just like using a cork for a bottle to ensure the liquid properties are kept in the long run. A similar thing happens here. Instead, you’re using it as a stopper for pipes or a variety of tubes, among others.
The core advantage of a rubber cork stopper is that it can be removed a lot easier when compared to a regular rubber stopper. The flexibility provided by the cork system shows you can easily keep everything airtight, and you won’t have to worry about any damage in the long run. That alone can indeed make a huge difference if you want to protect any items from potential leaks.
The rubber cork stopper can be great for lab glassware too. The only thing you need to ensure is finding the correct size. Depending on your needs, you may require different rubber cork stopper sizes, so keep that in mind. Thankfully, finding the right stopper size is not hard since there are multiple options. This type of product can really make a difference. You will find it very innovative yet dependable and a pleasure to use!

All dimensions are in mm​

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.

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
T-shaped stopper — original A, B, C, D and E dimensions
A recessed RST variant is illustrated. The head remains closed. Check E and the approved section for the selected part.
Product appearance
Rubber Silicone Plugs(T-shaped-RST) — product view
Illustrative product rendering. Refer to the selected part drawing and table for dimensions.
PartNo.A(mm)B(mm)C(mm)D(mm)E(mm)
RST2.5-5.5-5.32.55.55.320
RST2.7-5.5-52.75.5520
RST3-4.3-4.534.34.50.80
RST3-7-73772.20
RST3.3-6.5-63.36.561.50
RST3.5-6.5-63.56.5620
RST3.8-7-10.53.8710.51.50
RST3.8-7-73.8771.50
RST3.8-7-63.8761.50
RST4-7.5-647.5620
RST4-9.5-749.572.50
RST4.3-8-64.3861.50
RST4.5-7.5-64.57.5620
RST4.8-6.8-3.64.86.83.60.90
RST4.8-9-74.8971.50

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

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