Custom manufacturing example · Custom made molded rectangular rubber gasket

CUSTOM RUBBER & SILICONE MANUFACTURING

Custom made molded rectangular rubber gasket

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 molded rectangular rubber gasket carries its sealing outline in one shaped component. The sides and corners should align with the joint in a relaxed condition. Stretching one side to reach a locating point can pull another section away from its intended contact area and alter the fit once the rubber settles. For a custom gasket price, define the rectangular dimensions, section thickness, compound and quantity; changing the corner geometry can also change how the part is made. ETOL manufactures the gasket in China to the selected configuration.

Develop the length, width, section and corner geometry around the mating parts. Material selection depends on the joint environment, including the substances that may contact the gasket during operation or cleaning. A custom profile should be checked in the assembled joint, not only laid against one exposed face.

Place the gasket progressively around the perimeter and confirm each corner before fastening the cover. If a section repeatedly lifts, inspect the local recess and the gasket orientation. Do not use a sharp implement to hold the rubber in place while closing the joint. During replacement, compare the locating features with the intended design so a reversed or nearly matching gasket does not become trapped beneath the cover.

Material options: Rubber. Custom formulation and color for the intended contact conditions.
Hardness selection: Rubber: 30–90 Shore A. Stretching one side to reach a locating point can pull another section away from its intended contact area and alter the fit once the rubber settles.
Custom dimensions: Develop the length, width, section and corner geometry around the mating parts.
Fit & assembly: Place the gasket progressively around the perimeter and confirm each corner before fastening the cover.
Use & inspection: During replacement, compare the locating features with the intended design so a reversed or nearly matching gasket does not become trapped beneath the cover.

Photos illustrate structure or material only. Stretching one side to reach a locating point can pull another section away from its intended contact area and alter the fit once the rubber settles. 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.