silicone cum stopper

2022-01-05 · Stoppers & Plugs

silicone cum stopper

In our offer you can find a large number of silicone cum stoppers that have a very practical role. Our company produces these accessories which are made in a large number of different designs in order to meet their final role. The main role of silicone stoppers is to prevent liquids from spilling out of bottles and other containers, and they can also be used to seal laboratory containers when performing various chemical reactions involving liquids or gases. These stoppers are made of a conical shape and their main advantage is that they can fit perfectly into the openings on different containers, so that they are hermetically sealed and prevent air from penetrating inside the container. When it comes to food, the entry of oxygen can cause its spoilage or loss of optimal sensory characteristics. On the other hand, silicone stoppers used in laboratory conditions prevent the entry of oxygen that would change the atmosphere of the chemical reaction, and finally the results of experiments. All of this points to the importance that silicone stoppers have in different industries.

The reason why silicone cum stoppers and other types of stoppers are widely used is the characteristics of the material from which they are made. Our stoppers are made of silicone, which has many positive properties: primarily, this material is not subject to chemical reactions, so it will not lead to changes in the contents of the container that is sealed with this tool. Secondly, silicone is resistant to the influence of aggressive chemicals, such as acids, so there will be no damage to the stoppers when performing experiments. Lastly, high and low temperature conditions, as well as the influence of mechanical forces, do almost no damage to this material, which provides additional benefits in various industrial conditions.

Of course, silicone stoppers are used not only in industrial, but also in household conditions. In case you want to have practical accessories to seal a bottle of wine or mineral water so that your favorite drinks do not lose their specific properties, order silicone cum stoppers from us and ensure that your beverages are fully protected until you decide to have them again.

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: Bottle necks, laboratory vessels and wine bottles. Size the part against the selected assembly.
Dimensions to confirm: Opening diameter, closure profile, insertion depth and exposed grip. Match these to bottle necks and laboratory vessels.
Profiles discussed: Tapered sections. Select the profile that matches the mating part and dimension that section explicitly.
Contact conditions: Air, food ingredients, oxygen, acids and wine: define concentration, temperature and contact time, then check compatibility with the chosen compound.
Exposure to evaluate: Heat and cold cycling. 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.

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silicone cum stopper

silicone cum stopper

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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