Custom manufacturing example · Custom made high quality rubber sealing gaskets

CUSTOM RUBBER & SILICONE MANUFACTURING

Custom made high quality rubber sealing gaskets

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

Rubber sealing gaskets can be customized to follow the contact area of an equipment joint or closure. The practical sealing path may need to pass around fasteners, openings, and molded ribs. These features affect the available contact width and should be included when defining the gasket shape.

Look for places where the mating face becomes narrow or changes level. A continuous rubber outline does not create continuous contact if part of it lies over a recess. The selected thickness and profile need to work with the assembled surfaces rather than compensate for an unsupported section.

During installation, place the gasket against its intended locating features before lowering the adjoining part. Keep loose wires or other components out of the sealing path. The material should suit the actual medium and temperature at the joint. After opening the assembly, inspect the contact impression around interruptions as well as along the broad straight sections. Uneven marks can show where the gasket has been pinched or where the surrounding face has failed to meet it.

Material options: Rubber. Custom formulation and color for the intended contact conditions.
Hardness selection: Rubber: 30–90 Shore A. Choose compression behavior around the supported sealing band; local pinch marks require a contact check before selecting another grade.
Custom dimensions: The selected thickness and profile need to work with the assembled surfaces rather than compensate for an unsupported section.
Fit & assembly: During installation, place the gasket against its intended locating features before lowering the adjoining part.
Use & inspection: After opening the assembly, inspect the contact impression around interruptions as well as along the broad straight sections.

Photos illustrate structure or material only. Rubber sealing gaskets can be customized to follow the contact area of an equipment joint or closure. 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.