Custom manufacturing example · Custom made non-standard silicone rubber gasket/washer

CUSTOM RUBBER & SILICONE MANUFACTURING

Custom made non-standard silicone rubber gasket/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 non-standard silicone rubber gasket can follow an interface that includes unusual edges, offset holes, or other locating details. Its custom outline and section should match the complete mating assembly. Distinctive features can help establish orientation, provided they are positioned to fit without stretching the rubber.

Identify the dimensions that control the seal's location and the surfaces that support it. Overall width or diameter alone may omit a critical relationship between an opening and the outer edge. Thickness should follow the designed closing gap, including any region where the contact surface changes level.

Select the material formulation for the actual contents and temperature. Lay the gasket into the seat and inspect narrow bridges and corners before closing the mating part. Use the intended assembly sequence to avoid dragging the seal sideways. During maintenance, examine hidden edges for cuts and compare the replacement with the required profile rather than a distorted used gasket. Store shaped parts flat so that unsupported sections remain ready to seat naturally.

Material options: Silicone. Custom formulation and color for the intended contact conditions.
Hardness selection: Silicone: 20–80 Shore A. Distinctive features can help establish orientation, provided they are positioned to fit without stretching the rubber.
Custom dimensions: Overall width or diameter alone may omit a critical relationship between an opening and the outer edge.
Fit & assembly: Lay the gasket into the seat and inspect narrow bridges and corners before closing the mating part.
Use & inspection: During maintenance, examine hidden edges for cuts and compare the replacement with the required profile rather than a distorted used gasket.

Photos illustrate structure or material only. Overall width or diameter alone may omit a critical relationship between an opening and the outer edge. 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.