Custom manufacturing example · Rubber tapered plug silicone rubber plugs bottle caps

CUSTOM RUBBER & SILICONE MANUFACTURING

Rubber tapered plug silicone rubber plugs bottle caps

A custom component for your assembly.

Define the mating surfaces, dimensions and working conditions. ETOL manufactures the part to the agreed design and material.

Factory direct
Made to order
Drawing & sample support

Share the part, its application and your estimated quantity.

Customize the fit, material and finish

Vulcanization workshop illustration with green molding presses and blue collection bins

Material & hardness

Selected for the contact, temperature and movement

Color & finish

Define the visible surfaces and intended color

Shape & dimensions

Develop holes, lips and walls around the mating parts

Mounting & fit

Match the attachment and installation method

Product Overview

A Rubber tapered plug increases in size along its inserted length, allowing its fitted position to be developed around a matching bottle or other opening. The usable seat should be defined by the neck profile and intended closure duty, not by pushing until the plug can no longer be moved by hand.

Measure the opening and available depth, including any internal taper or shoulder. ETOL offers custom dimensions, material, hardness and color. Choose the compound for the contents and cleaning exposure of the completed closure.

Leave enough of the handling portion accessible for removal. A taper driven too deeply can be difficult to release and may apply unintended force to the surrounding neck. Evaluate the selected closure and any required retention in the complete vessel arrangement.

Before fitting, inspect the neck edge and plug surface for damage. Insert the taper evenly so the contact develops around its circumference rather than on one side first. Follow the vessel's prescribed release procedure before removing the stopper. Examine the inserted section for a changed shape or local groove after use, and correct any mismatch in the seat instead of compensating by using a progressively deeper insertion position.

Material options: Custom silicone compound; formulation and geometry developed together.
Hardness selection: Silicone options: 20–80 Shore A. Insert the taper evenly so the contact develops around its circumference rather than on one side first.
Custom geometry: Measure the opening and available depth, including any internal taper or shoulder.
Fit evaluation: Evaluate the selected closure and any required retention in the complete vessel arrangement.
Color & OEM: Custom colors; OEM identification positioned outside closure contact surfaces.

Photos illustrate structure or material appearance only. A Rubber tapered plug increases in size along its inserted length, allowing its fitted position to be developed around a matching bottle or other opening. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.

Choosing a material or hardness? Explore the selection guide →

From part requirements to production

Define the part

Identify key dimensions, mating surfaces and quantity

Review material & tooling

Agree the compound and manufacturing approach

Evaluate the sample

Review the fit and agreed requirements in the assembly

Produce & inspect

Manufacture and check against the approved requirements

Review the intended assembly

Working conditions

Identify temperature, contact fluids and repeated movement.

Material and structure

Consider hardness together with wall thickness and support.

Installation

Check access, mating dimensions and the fitting sequence.

Ordering this custom component

Can the shape be adjusted to my mating parts?

Yes. Show the receiving opening, contact surfaces and clearance limits. We can review the dimensions and retaining features around the intended fit.

Which details should be agreed before tooling?

Agree the critical dimensions, material, hardness, visible surfaces and sample requirements. Explain how the part is installed and which interfaces control its function.

Can a sample help define the replacement?

A sample can help explain the structure. Compare it with the assembly because wear, swelling or compression may have changed its original dimensions.

How is the quotation for this part determined?

The material, part geometry, tooling, quantity and finishing affect the quotation. Include the intended batch size and delivery destination when describing your requirements.

DISCUSS THIS COMPONENT

Describe the part you need.

Share the fit, operating conditions and quantity with our manufacturing team.