Skip to content
RUBBER & SILICONEStandard parts. Custom solutions.

Rubber Stopper Suppliers

Rubber Stopper Suppliers

Rubber Stoppers are used everywhere. Talking about laboratories in science experiments the flasks are sealed air tight with the help of a rubber stopper. Thin funnel in laboratories are being fixed by passing through a single hole rubber stopper. There are many acids within a laboratory which are being held for scientific research. These acids are to be treated with great care and needed to be sealed off the top with the rubber stopper so they don’t spill away which can also cause some serious damage. Some chemicals which are volatile in nature means on exposing to external atmosphere can readily evaporate. To prevent this from happening rubber stoppers are used on each of such chemical containing container. There is increasing demand of rubber stoppers which need to be met by rubber stopper suppliers. Rubber stoppers are made up of natural rubber which are then supplied by rubber stopper suppliers. However, in some industries these stoppers are made up of synthetic rubber to give it a property of inertness so it does not causes any reaction with the chemicals which are then further supplied by rubber stopper suppliers. Rubber stopper suppliers are present all over the world. But its major market stands in china. Orders are being placed to these suppliers for rubber stoppers from different laboratories. Custom made rubber stoppers are also supplied by rubber stopper supplies according to the customer needs. Rubber stoppers are cylindrical in shape. Some are evenly narrow and wide from both sides while some are more of a wide from one side and very narrow from the other. Some rubber stoppers have a single hole in them while some come with two three and even four holes. Rubber stopper are also used in our kitchens of our household. A hot kettle is often sealed off with a rubber stopper so that the tea does not grow cold. Different types of oil are present in jars and some might leave odor on being left open. Rubber stoppers are also being used on such containers so that the smell of these oils remain trapped inside. For all the above mentioned products rubber stoppers are supplied by various rubber stopper suppliers around the world to meet the increasing demands.

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.

Discuss Your Requirements

Need a quote or a custom part?

Send your requirements, drawings or samples to discuss standard and custom silicone rubber parts.

Contact Us Now!

Email us[email protected]

Ready to Find Your Rubber Part?

Send your requirements or drawing to discuss materials, dimensions and custom parts.

Request a Quote

Request a Quote

Tell us about your part, including dimensions, material, quantity, application and any special requirements. Attach a drawing if available to help us prepare your quote.

Contact Our Team

Prefer email? Contact us at [email protected]

Attach a drawing (optional)