White silicone rubber stoppers
You would probably be surprised to learn how often white silicone rubber stoppers are used. Professionals across multiple industries adore these because they enable them to complete specific tasks easily. As you can assume, these caps are generally used to plug containers and seal holes in different types of panels and surfaces. Yes, you can also use them at home if you need to fix the damage quickly or include them in a project of your own.
As you probably know, there are several types of rubber stoppers and plugs. Even though they are all made from rubber, you still have to investigate the exact material used. Some of them have higher heat and temperature resistance, while others are more flexible, and so on. When it comes to white silicone rubber stoppers, these are mostly used for containers that hold chemicals or food. Why? Well, silicone is the safest material, meaning that you won’t have to worry about any negative reactions and effects. It is also eco-friendly, which means that it can be recycled several times. Another thing, these silicone rubber stoppers come in multiple colors. You have to admit that this is a great feature if you want to make the containers more aesthetically appealing.
Besides the abovementioned features, silicone has a great temperature resistance (up to 280℃). It is also very durable, which makes it resilient to all sorts of factors, everything from regular wear and tear to environmental factors, and as already stated, harsh chemicals. In a nutshell, you cannot go wrong when opting for white silicone rubber stoppers. They also come in numerous shapes and sizes, meaning that it will be pretty easy to find the right one. The best part is that you can order an entire set online, and rest assured that you will always have the one you need in your toolbox.
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
- Material
- Silicone. Specify the compound grade for the selected service.
- Dimensions to confirm
- Opening diameter, closure profile, insertion depth and exposed grip.
- Color options
- Custom colors are available to your Pantone color code. Include the code in your inquiry.
- Contact conditions
- Food ingredients: define concentration, temperature and contact time, then check compatibility with the chosen compound.
- 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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