Black Rubber Stopper
Rubber stoppers are one of the most used products in the world that most of us don’t even know about. They are all around us since they can be used in pretty much every setting for a variety of applications. The most common type and kind of rubber stopper is a black rubber stopper. It is a standard, most common type of rubber stopper and more often than not, you can find them in a laboratory or some other medical establishment.
A black rubber stopper is often used to plug vials and other medical glassware. Since they are made from rubber, they offer remarkable protection, isolation, insulation from all kinds of damages. They prevent spills of potentially hazardous chemicals and pathogens and they also protect those same chemicals or other liquids from all kinds of external influences. For instance, they protect the content inside the vial from dust, moisture, air or any other kind of influence. Also, rubber is very durable and resilient, so you could have almost any chemical or liquid inside the vial without worrying it would damage the cap, or in this case a black rubber stopper.
Furthermore, since in many instances, medical facilities keep these vials in refrigerators or other kinds of coolers, a black rubber stopper is an ideal candidate for a sealant as they can withstand very low, as well as very high temperatures, amongst many other things.
However, the use of a black rubber stopper extends a lot farther than just a laboratory, therefore, we offer to manufacture them in all kinds of shapes and sizes according to your needs. If you need a black rubber stopper for some other application, you could just let us know and we would work together with you to provide you with the exact model that fits your needs.
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.
RSA Tapered Corks
Compare large-end diameter A, small-end diameter B and Height, in mm. The mating bore and required seating depth determine where the taper contacts the opening.
RSB Undercut Plugs
Compare neck diameter A, flange diameter B, flange-to-lip distance C and flange thickness D. Check panel thickness and rear clearance. E refers to the underside recess.
RSD T-Shaped Stoppers
Compare stem diameter A, flange diameter B, stem length C and head thickness D, in mm. Check the seating surface and available depth as well as the hole diameter.
Need a different fit? Share the opening dimensions, mating profile and intended use for a custom size.
Discuss Your RequirementsProduct specifications
- Product form
- Removable closure fitted inside an opening
- Application focus
- Laboratory vessels and vials. Size the part against the selected assembly.
- Dimensions to confirm
- Opening diameter, closure profile, insertion depth and exposed grip. Match these to laboratory vessels and vials.
- Color options
- Custom colors are available to your Pantone color code. Include the code in your inquiry.
- Contact conditions
- Air: define concentration, temperature and contact time, then check compatibility with the chosen compound.
- Exposure to evaluate
- Moisture and dust or debris. 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.
Need a quote or a custom part?
Send your requirements, drawings or samples to discuss standard and custom silicone rubber parts.
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