Silicone Stopper Plug

2022-01-05 · Stoppers & Plugs

Silicone Stopper Plug

All our silicone stoppers are made of durable and decent-quality substances, which are primarily used to shut down the entrance of laboratory glassware and other applications. Several of our customers tend to choose the silicone stopper plug models if they need silicone cork which seals tightly and has incredible resistance to chemicals and heat. The silicone stopper plugs have the capacity to survive heat, chemicals, extreme weather conditions, and other elements. Even when you shake or mix the liquid inside the bottle, it will not come out. All thanks to the silicone stopper plug because it helps in tightly sealing the bottle or container.

In general, we deliver silicone stoppers in various shapes, such as square, round, triangle, rectangle, cylindrical, and more. In addition to that, we give the custom option chances to our clients and allow them to design personalized silicone stopper plugs. From the material of the plug to structure, size dimensions, color, and hardness, everything can be customized. Depending on the model and their desired application, the silicone corks can either be solid, have one hole, or come with two holes. As we mentioned previously, we use premium eco-friendly silicone stopper plug and our products surpass the FDA standards.

We always have a stock of silicone stopper plug models in our standard sizes from size 000 to size 15. Free samples may be available for eligible requests. Please contact our customer service team to confirm eligibility before requesting samples. Our company owns a huge manufacturing plant in order to deliver and stock silicone corks quickly in a short period. One best part about our company is that we can also customize the logo on our products. For additional information about the silicone stopper plug solutions, we advise you to contact our technical team.

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.

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.

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）
RST2.5-5.5-5.3	2.5	5.5	5.3	2
RST2.7-5.5-5	2.7	5.5	5	2
RST3-4.3-4.5	3	4.3	4.5	0.8
RST3-7-7	3	7	7	2.2
RST3.3-6.5-6	3.3	6.5	6	1.5
RST3.5-6.5-6	3.5	6.5	6	2
RST3.8-7-10.5	3.8	7	10.5	1.5
RST3.8-7-7	3.8	7	7	1.5
RST3.8-7-6	3.8	7	6	1.5
RST4-7.5-6	4	7.5	6	2
RST4-9.5-7	4	9.5	7	2.5
RST4.3-8-6	4.3	8	6	1.5
RST4.5-7.5-6	4.5	7.5	6	2
RST4.8-6.8-3.6	4.8	6.8	3.6	0.9
RST4.8-9-7	4.8	9	7	1.5

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.

Tapered cork — Diameter A, Diameter B and Height — Tapered profile reference. Use Diameter A, Diameter B and Height from the selected row.

Rubber Corks(Tapered-RSA) — product view — Illustrative product rendering. Refer to the selected part drawing and table for dimensions.

Part No.	Diameter A	Diameter B	Height	Colour	Materials
RSA1.6-0.4-15.9	1.6	0.4	15.9	Transparent	Silicone
RSA2-0.5-19.1	2	0.5	19.1	Transparent	Silicone
RSA3.2-0.8-15.9	3.2	0.8	15.9	Transparent	Silicone
RSA3.2-1.6-15.9	3.2	1.6	15.9	Transparent	Silicone
RSA4.8-1.6-15.9	4.8	1.6	15.9	Transparent	Silicone
RSA4.8-1.6-19.1	4.8	1.6	19.1	Transparent	Silicone
RSA5.5-1.2-38.1	5.5	1.2	38.1	Transparent	Silicone
RSA6.4-3.2-19.1	6.4	3.2	19.1	Transparent	Silicone
RSA6.4-3.2-25.4	6.4	3.2	25.4	Transparent	Silicone
RSA8.7-4.8-15.9	8.7	4.8	15.9	Transparent	Silicone
RSA8.7-4.8-25.4	8.7	4.8	25.4	Transparent	Silicone
RSA9.2-6.2-12.8	9.2	6.2	12.8	Transparent	Silicone
RSA9.5-6.5-18.5	9.5	6.5	18.5	Transparent	Silicone
RSA11-8.5-17.5	11	8.5	17.5	Transparent	Silicone
RSA11.5-6.5-25	11.5	6.5	25	Transparent	Silicone

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.

Silicone Plugs(Undercut-RSB) — product view — Illustrative product rendering. Refer to the selected part drawing and table for dimensions.

Part No.	A (mm)	B (mm)	C (mm)	D (mm)	E (mm)
RSB2.5-6-3	2.5	6	3	1.5	0
RSB3-7-3	3	7	3	2	0
RSB3.5-7.5-3	3.5	7.5	3	2	0
RSB3.6-7.5-6	3.6	7.5	6	2	0
RSB4-8-3	4	8	3	2	0
RSB4.5-8.5-3	4.5	8.5	3	2	2
RSB5-9-3	5	9	3	2	2.5
RSB5.5-9.5-3	5.5	9.5	3	2	3
RSB6-10-4	6	10	4	2	3.5
RSB6.5-10.5-4	6.5	10.5	4	2	4
RSB6.5-12-8	6.5	12	8	2	0
RSB6.7-8.7-5.3	6.7	8.7	5.3	1.3	4.1
RSB7-11-4	7	11	4	2	4.5
RSB7.5-11.5-4	7.5	11.5	4	2	5
RSB8-12-4	8	12	4	2	5.5

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.

T-shaped stopper — original A, B, C and D dimensions — Solid T-shaped profile reference. Dimensions A–D follow the selected part drawing.

Silicone Stoppers(T shape) — product view — Illustrative product rendering. Refer to the selected part drawing and table for dimensions.

Part No.	A (mm)	B (mm)	C (mm)	D (mm)	Colour	Materials
RSD2.7-5.5-5	2.7	5.5	5	2	Black, White	Silicone
RSD3-7-7	3	7	7	2.2	Black, White	Silicone
RSD3.3-6.5-6	3.3	6.5	6	1.5	Black, White	Silicone
RSD3.5-6.5-6	3.5	6.5	6	2	Black, White	Silicone
RSD3.8-7-6	3.8	7	6	1.5	Black, White	Silicone
RSD4-9.5-7	4	9.5	7	2.5	Black, White	Silicone
RSD4.3-8-6	4.3	8	6	1.5	Black, White	Silicone
RSD4.5-7.5-6	4.5	7.5	6	2	Black, White	Silicone
RSD4.8-9-7	4.8	9	7	1.5	Black, White	Silicone
RSD5-12-8	5	12	8	2.8	Black, White	Silicone
RSD5.3-9.5-7	5.3	9.5	7	1.5	Black, White	Silicone
RSD5.5-8.5-7	5.5	8.5	7	2	Black, White	Silicone
RSD5.8-10-8	5.8	10	8	2	Black, White	Silicone
RSD6-13-8	6	13	8	3.5	Black, White	Silicone
RSD6.3-10.5-8	6.3	10.5	8	2	Black, White	Silicone

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 vessels 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 vessels and bottle necks.
Profiles discussed: Round profiles, square profiles, rectangular profiles and cylindrical sections. Select the profile that matches the mating part and dimension that section explicitly.
Exposure to evaluate: Outdoor weather. 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.

Email us[email protected]

Silicone Stopper Plug

Silicone Stopper Plug

Stopper & Plug Size Catalog

RST T-Shaped Plugs

RSA Tapered Corks

RSB Undercut Plugs

RSD T-Shaped Stoppers

Product specifications

Need a quote or a custom part?

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