Custom manufacturing example · Custom made thin rubber gasket/silicone rubber washer

CUSTOM RUBBER & SILICONE MANUFACTURING

Custom made thin rubber gasket/silicone 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 thin rubber gasket needs a clean, flat seat because it has limited thickness available to accommodate the designed compression. A particle or surface defect can become a significant local feature compared with the section. The silicone washer configuration should therefore be selected around the actual mating faces rather than expected to bridge an uncontrolled gap.

Check the outline, central opening, and supported contact width. Select the formulation for the medium and temperature involved. The closing arrangement should keep the thin material located without dragging it sideways as fasteners engage.

Lay the gasket flat and inspect for folds before bringing the faces together. Avoid rotating hardware directly against an unrestrained edge if that would twist the part. During disassembly, look for wrinkles, cuts, or localized flattening that correspond to surface features. Replace with the intended thickness and correct damaged mating faces rather than stacking thin layers, which introduces additional interfaces and changes the joint's original closing condition.

Material options: Silicone. Custom formulation and color for the intended contact conditions.
Hardness selection: Silicone: 20–80 Shore A. The closing arrangement should keep the thin material located without dragging it sideways as fasteners engage.
Custom dimensions: Check the outline, central opening, and supported contact width.
Fit & assembly: A thin rubber gasket needs a clean, flat seat because it has limited thickness available to accommodate the designed compression.
Use & inspection: Replace with the intended thickness and correct damaged mating faces rather than stacking thin layers, which introduces additional interfaces and changes the joint's original closing condition.

Photos illustrate structure or material only. A particle or surface defect can become a significant local feature compared with the 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

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.