Custom manufacturing example · Custom made high quality silicone rubber waterproof rubber seal

CUSTOM RUBBER & SILICONE MANUFACTURING

Custom made high quality silicone rubber waterproof rubber seal

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

This custom silicone rubber seal forms a compressible interface shaped for the receiving assembly. The outline and thickness can follow the joint rather than forcing a standard profile into an unsuitable space. The intended sealing area should remain continuous around the opening or mating feature.

Check where fasteners, corners, and changes in section influence compression. A seal may contact firmly near a screw while remaining lightly supported between fastening points. The surrounding parts need sufficient alignment and support to bring the rubber into its intended working position.

Choose the compound for the actual medium, temperature, and cleaning conditions. Install the seal on clean mating surfaces without stretching it out of shape. Inspect the perimeter as the joint is closed, looking for a trapped or displaced section. Any required waterproof behavior must be evaluated on the completed assembly under its expected exposure conditions. During service, replace damaged rubber and inspect the adjoining surfaces so an uneven or scratched seat does not undermine the fit of a new seal.

Material options: Silicone. Custom formulation and color for the intended contact conditions.
Hardness selection: Silicone: 20–80 Shore A. Check where fasteners, corners, and changes in section influence compression.
Custom dimensions: The outline and thickness can follow the joint rather than forcing a standard profile into an unsuitable space.
Fit & assembly: The surrounding parts need sufficient alignment and support to bring the rubber into its intended working position.
Use & inspection: During service, replace damaged rubber and inspect the adjoining surfaces so an uneven or scratched seat does not undermine the fit of a new seal.

Photos illustrate structure or material only. The outline and thickness can follow the joint rather than forcing a standard profile into an unsuitable space. 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.