Custom manufacturing example · Hot-selling various rubber seal ring/transparent silicone washers

CUSTOM RUBBER & SILICONE MANUFACTURING

Hot-selling various rubber seal ring/transparent silicone washers

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

Transparent silicone washers can be custom sized for a joint where the edge remains visible after assembly. The clear material can help reveal local folding or trapped contamination during fitting. The inner opening, outside diameter, and thickness still need to match the intended contact surfaces.

Identify the supported area before choosing the washer width. Material extending beyond the mating face may be pushed outward without contributing to the intended interface. The section should receive the compression established by the assembly rather than being squeezed until its visible edge appears flat.

Choose the silicone formulation for the contents and temperature of the joint. During installation, center the washer and check that it stays aligned as the mating parts close. Inspect around the circumference from more than one position if visibility is limited by nearby features. Clean the seat during maintenance and examine the removed washer for cuts or lasting distortion. A clear appearance can assist inspection, but it does not replace the dimensional and material match required for the joint.

Material options: Silicone. Custom formulation and color for the intended contact conditions.
Hardness selection: Silicone: 20–80 Shore A. The section should receive the compression established by the assembly rather than being squeezed until its visible edge appears flat.
Custom dimensions: The inner opening, outside diameter, and thickness still need to match the intended contact surfaces.
Fit & assembly: During installation, center the washer and check that it stays aligned as the mating parts close.
Use & inspection: Clean the seat during maintenance and examine the removed washer for cuts or lasting distortion.

Photos illustrate structure or material only. The inner opening, outside diameter, and thickness still need to match the intended contact surfaces. 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.