CUSTOM RUBBER & SILICONE MANUFACTURING

Custom made durable rubber gaskets/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 provides a flexible contact ring whose condition can reveal how the joint has been loaded. After disassembly, an even contact pattern differs from a ring cut near one edge or squeezed heavily on only one side. Those observations are useful when deciding whether the original seating arrangement needs attention.

Select the inner opening, outside diameter, and thickness for the actual supporting faces. The fastener or adjoining component should not concentrate force on a small unsupported section. The material formulation also needs to suit the relevant medium and environmental conditions.

Fit the washer flat and verify the complete joint for its required function rather than inferring durability from the product name. During service, inspect the working faces as well as the visible perimeter. Recurring extrusion may indicate an unsupported gap, while a local cut can point to an edge on the mating part. Replacing the ring without correcting such features can reproduce the same damage even when the new washer matches every nominal dimension.

Material options
Rubber. Custom formulation and color for the intended contact conditions.
Hardness selection
Rubber: 30–90 Shore A. A round rubber washer provides a flexible contact ring whose condition can reveal how the joint has been loaded.
Custom dimensions
Select the inner opening, outside diameter, and thickness for the actual supporting faces.
Fit & assembly
Fit the washer flat and verify the complete joint for its required function rather than inferring durability from the product name.
Use & inspection
During service, inspect the working faces as well as the visible perimeter.

Photos illustrate structure or material only. The fastener or adjoining component should not concentrate force on a small unsupported section. 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].