Rubber stopper
One of the best ways to ensure that you have a perfect seal for your holes or joints is the rubber stopper. This product is designed from the ground up to deliver efficiency, high quality and a distinctive value for your money. On top of that, you can also stop any door from closing with help from a rubber stopper. It really helps a lot since you can quickly adapt it in any way that you see fit.
You will notice that most rubber stoppers are used with test tubes, jugs, flasks, and various equipment. The regular rubber stopper has a cylindrical shape. The bottom end is tapered to deliver the ultimate protection and quality. You will find some rubber stoppers with a few holes that will allow you to insert tubing, test equipment, pipettes or anything similar. These are adjusted on a per-user basis, and the return on investment can be awe-inspiring every time.
You want to use a rubber stopper because it helps stick to a circular motion. It has the centripetal force generated by the string tension. That helps maintain the stopper in a particular action, one that will prevent any movement. It helps immensely, and it will provide a perfect set of benefits every time. If the rubber stopper has any pulling weights and those are removed, what happens is that gravity will do its job, and then the stopper will not move at all. That’s what makes a rubber stopper ideal for a variety of scientific purposes, but also for real-life situations as well.
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.

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