Custom manufacturing example · Custom wear-resistant rubber gasket/round rubber washer

CUSTOM RUBBER & SILICONE MANUFACTURING

Custom wear-resistant rubber gasket/round rubber washer

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 round rubber washer is a replaceable flexible interface whose condition can reveal how the surrounding joint has been working. This custom part can be sized around the central opening and the mating contact land. Compound selection should reflect the actual contact motion, medium, and temperature.

When removing an existing washer, examine where the faces have contacted it. A uniform impression suggests a different condition from a narrow worn strip or a cut near the bore. If one mating component rotates during assembly, its surface can drag against the washer before the final position is reached.

The replacement should match the intended working thickness and contact width, not only the outer diameter. Clean the seat and remove debris before fitting, keeping the ring centered as the joint closes. Avoid installing a new part over a damaged edge that caused the original wear. After the assembly returns to use, inspect the joint according to its maintenance needs and replace a washer whose deformation prevents it from lying evenly against its seat.

Material options: Rubber. Custom formulation and color for the intended contact conditions.
Hardness selection: Rubber: 30–90 Shore A. Assess the washer grade under the intended closing load, including whether rotating hardware drags the rubber before it reaches its final seat.
Custom dimensions: When removing an existing washer, examine where the faces have contacted it.
Fit & assembly: Clean the seat and remove debris before fitting, keeping the ring centered as the joint closes.
Use & inspection: After the assembly returns to use, inspect the joint according to its maintenance needs and replace a washer whose deformation prevents it from lying evenly against its seat.

Photos illustrate structure or material only. If one mating component rotates during assembly, its surface can drag against the washer before the final position is reached. 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.