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RUBBER & SILICONEStandard parts. Custom solutions.

Silicone Dust Stopper

Silicone Dust Stopper

In order to seal the jars, flasks, or other tools and keep them safe from dust, then it is best to obtain silicone dust stoppers. We manufacture silicone dust stopper products, which are a one-stop solution for shutting down the bottles. The silicone dust stoppers help in deterring the dust from infiltrating into the flasks and other apparatus. If you are interested, you can go through our product list where we have special sets of silicone dust stoppers. For instance, we produce silicone dust stopper products in a five-piece set, ten-piece set, twelve-piece set, twenty-piece set, and many more. However, if you want to have a unique set with different types of silicone dust stoppers, then you can go for our custom options, which make it possible to have any kind of silicone corks in a set. 

Our standard size 000 one-hole stopper has a 3 mm diameter. Size 00 one hole and size 0 two-hole silicone cork have 3 mm diameter. Size 1 one hole and two-hole silicone stoppers 4 mm diameter. From size 2 to size 16, our silicone dust stopper solutions come with 5 mm one-hole and two-hole diameters. All our products are durable yet flexible, which makes them last for longer durations. Due to that, you no longer have to worry about the tear and breakdown of the products. We use quality assurance and certified substances to deliver silicone dust corks. 

Our company has branches in various parts of the world as we are trying to supply our products to several customers globally. We manufacture a wide variety of silicone dust stopper solutions that can be used for numerous applications. Our primary objective is to provide premium quality silicone dust stoppers to every user. If you are willing to know more about our products, make sure to contact us.

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.

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

Product specifications

Product form
Removable closure fitted inside an opening
Material
Silicone. Specify the compound grade for the selected service.
Application focus
Laboratory flasks and bottle necks. Size the part against the selected assembly.
Dimensions to confirm
Opening diameter, closure profile, insertion depth and exposed grip. Match these to laboratory flasks and bottle necks.
Dust barrier
Identify the opening and exposed contaminant path; check seating and removal without claiming a pressure seal.
Exposure to evaluate
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.

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