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RUBBER & SILICONEStandard parts. Custom solutions.

Vial rubber stopper

Vial rubber stopper

A vial rubber stopper is a small accessory used to seal, isolate, and protect vial openings. Vial rubber stopper, for example, is widely utilized in the cosmetic industries since rubber is non-toxic and safe for human contact. Rubber stoppers are increasingly used in the vehicle, manufacturing, and electronics industries due to their superior physical qualities. Filling vial openings with rubber stoppers could protect anything inside the holes and act as a sealant.

Rubber is a remarkably resilient substance that will absorb pressure and form an impenetrable seal that grows in strength in direct proportion to the forces applied to it. It will also keep this integrity for extended periods. While there are limits to both the amount of pressure it can endure and the length of time it can do so, its credentials in both areas are incredibly excellent. Rubber for vial stoppers is a highly pliable material that can be easily molded into a number of forms and sizes, making it perfect for a wide range of applications and industries. Rubber offers the versatility to satisfy any need, whether a typical stopper or a customized solution. 

Rubber is a non-toxic material that will not contaminate or compromise any substance or environment with which they come into touch. It’s a preferred choice for many sectors because it doesn’t emit any odors or flavors into the surrounding machinery. They may be utilized in temperatures ranging from 7 to 155 degrees Celsius. The stoppers will not wear out because they are extremely durable. The same may be said for abrasion, which they can endure with ease. Rubber synthetics are also resistant to petroleum and acid-based compounds. We manufacture vial rubber stopper to fit the needs of many industries. We can customize vial stoppers as well. Compare the listed stopper dimensions with your vial opening, then include the part number and quantity in your inquiry. 

Our Butyl Stoppers Size Chart

Bottle Stopper Size Catalog

Compare the listed butyl stopper dimensions against the bottle opening and seating arrangement. Confirm the selected profile using the part drawing.

Custom colors are available to your Pantone color code. Include the code in your inquiry.

Butyl Rubber Stopper(Anaerobic bottle stopper)

Compare A, B, C, D and E in mm against the selected stopper drawing. The illustration shows a related profile; confirm the precise underside and fit before specifying the part.

Dimension guide
T-shaped stopper — original A, B, C, D and E dimensions
Related T-shaped stopper profile shown. Confirm dimensions A–E and the exact underside profile for the selected butyl stopper.
Product appearance
Butyl Rubber Stopper(Anaerobic bottle stopper) — product view
Illustrative product appearance. Refer to the selected row and part drawing for dimensions.
PartNo.ABCDE
RSIIR14.5-19.7-1114.519.71130
RSIIR2.5-5.5-5.32.55.55.320
RSIIR3-4.3-4.534.34.50.80
RSIIR3-7-73772.20
RSIIR3.5-6.5-63.56.5620
RSIIR3.8-7-10.53.8710.51.50
RSIIR3.8-7-73.8771.50
RSIIR4-7.5-647.5620
RSIIR4.5-7.5-64.57.5620
RSIIR4.8-6.8-3.64.86.83.60.90
RSIIR5-8-7-25871.52
RSIIR5-8-7-35871.53
RSIIR5-10-851082.80
RSIIR5.7-11.7-125.711.7126.50
RSIIR6-8-56852.20

Need a different size? Share your drawing, mating dimensions and intended use to discuss a suitable part.

Discuss Your Requirements

Product specifications

Product form
Vial or bottle closure matched to its neck finish
Application focus
Vials. Size the part against the selected assembly.
Dimensions to confirm
Vial neck bore, sealing flange, plug depth and any crimp-cap interface. Match these to vials.
Contact conditions
Acids: define concentration, temperature and contact time, then check compatibility with the chosen compound.
Exposure to evaluate
Rubbing or abrasion. 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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