Custom manufacturing example · Custom adhesive silicone rings rubber washer gasket

CUSTOM RUBBER & SILICONE MANUFACTURING

Custom adhesive silicone rings rubber washer gasket

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

Custom adhesive silicone rings combine an annular rubber interface with a backing that holds it to a surface. The central opening and adhesive footprint must align with the mating feature before the bond is made. A ring that is slightly off-center can obstruct the opening or leave part of its backing unsupported.

Check the ring against the mounting location while its protective liner remains in place. Establish the intended orientation and clearance to nearby hardware. Select the backing for the substrate and operating environment, and prepare the surface according to that combination. The rubber outline and thickness should suit the contact expected after assembly.

Apply the ring without stretching its circumference as the liner is removed. Work with controlled placement rather than lifting the same adhesive repeatedly to correct alignment. After the backing is seated appropriately, bring the mating parts together and inspect the central clearance.

During maintenance, distinguish a damaged rubber face from a failing bond. A peeled edge may collect contamination even while the rest of the ring remains attached. Replace a lifted or dirty backing after cleaning the surface, rather than pressing it back over trapped particles. If the ring functions as a seal, evaluate the completed joint as well as the adhesive attachment.

Material options: Silicone. Custom formulation and color for the intended contact conditions.
Hardness selection: Silicone: 20–80 Shore A. Apply the ring without stretching its circumference as the liner is removed.
Custom dimensions: The rubber outline and thickness should suit the contact expected after assembly.
Fit & assembly: Check the ring against the mounting location while its protective liner remains in place.
Use & inspection: Replace a lifted or dirty backing after cleaning the surface, rather than pressing it back over trapped particles.

Photos illustrate structure or material only. A ring that is slightly off-center can obstruct the opening or leave part of its backing unsupported. 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.