CUSTOM RUBBER & SILICONE MANUFACTURING

Non-standard durable silicone rubber seal solid plugs/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

Nonstandard silicone rubber seal solid plugs can be developed around an opening whose shape or access does not suit a standard closure. The solid body should include a clearly defined engagement region and a practical removal area. Its outer appearance should follow those functions rather than require repeated trimming during installation.

Identify the surface that retains or seals the plug, along with any nearby feature that limits movement. If the design is a cap instead of an inserted body, use the component exterior as the fit reference. Custom size, material and color can suit the selected construction. Evaluate the finished part through the intended fitting and removal sequence, including the surrounding hardware that may restrict access. Inspect its contact surface for cuts or persistent distortion after the trial. A part that needs force in an unintended direction should have its geometry reviewed. Replace a damaged closure according to the evaluated design instead of reproducing the shape of the distorted used rubber.

Material options
Custom silicone compound; formulation and geometry developed together.
Hardness selection
Silicone options: 20–80 Shore A. The solid body should include a clearly defined engagement region and a practical removal area.
Custom geometry
Custom size, material and color can suit the selected construction.
Fit evaluation
Evaluate the finished part through the intended fitting and removal sequence, including the surrounding hardware that may restrict access.
Color & OEM
Custom colors; OEM identification positioned outside closure contact surfaces.

Photos illustrate structure or material appearance only. Nonstandard silicone rubber seal solid plugs can be developed around an opening whose shape or access does not suit a standard closure. 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

01

Define the part

Identify key dimensions, mating surfaces and quantity

02

Review material & tooling

Agree the compound and manufacturing approach

03

Evaluate the sample

Review the fit and agreed requirements in the assembly

04

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.

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Send your requirements
and selected drawings

All files and photos you share with us are handled under strict confidentiality procedures and will not be disclosed to any third party.

DISCUSS THIS COMPONENT

Request a Custom Quote

You can also email us directly at [email protected].