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RUBBER & SILICONEStandard parts. Custom solutions.

1/8 silicone rubber stopper

1/8 silicone rubber stopper

Our company specializes in manufacturing and delivering a 1/8 silicone rubber stopper, a small plug that can be used for a wide range of applications and processes. For starters, when different industries have to seal various holes, smaller containers, tubers, flasks, as well as other containers, they can choose to use our 1/8 silicone rubber stopper, which will, in some way act as a cork, meaning that it can protect the substances, items, and components located underneath them. In most situations, people prefer to use our stopper for such purposes, mostly because they can provide a tight seal, but more importantly, they can resist various things.

No matter what industry you operate in – automotive, marine, military, industrial, construction – our 1/8 silicone rubber stopper will be suitable for creating a tight seal while at the same time, it will resist a wide range of things, including chemicals such as acids, oils, dirt, grime, Sun and UV light, as well as aging. Besides this, it will also resist extremely high and extremely low temperatures, which means that you will be capable of using it in both indoor and outdoor settings – which is one of the things that actually make it quite beneficial and cost-saving for all organizations that choose to utilize it.

Another important thing that we must mention about our 1/8 silicone rubber stopper is that it will prevent different liquids and gases from escaping the container and it will also prevent any contaminants from changing the taste, smell, or characteristics of the substance within them. Also, the 1/8 silicone rubber stopper in our selection will not be influenced by shaking and/or movements, which is exactly what makes it suitable for a wide range of industries. They come in various shapes, colors, and designs, which means that you will definitely be capable of finding what you are looking for.

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.

Discuss Your Requirements

Product specifications

Product form
Removable closure fitted inside an opening
Material
Silicone. Specify the compound grade for the selected service.
Application focus
Laboratory flasks. Size the part against the selected assembly.
Dimensions to confirm
Opening diameter, closure profile, insertion depth and exposed grip. Match these to laboratory flasks.
Contact conditions
Acids, lubricating oil and other gases: define concentration, temperature and contact time, then check compatibility with the chosen compound.
Exposure to evaluate
Sunlight or UV, outdoor weather, dust or debris and oil splash. 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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