Custom manufacturing example · Automotive push button silicone keypad with membrane switch

CUSTOM RUBBER & SILICONE MANUFACTURING

Automotive push button silicone keypad with membrane switch

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

An Automotive push button made as a custom silicone keypad can be developed around a membrane switch and the surrounding vehicle panel. Dimensions, color and printed, embossed or debossed identification can follow the intended control layout. The button's visible shape should suit the direction from which the occupant normally reaches it.

Check the control in its installed position. A raised edge that is easy to press on a workbench may interfere with a neighboring trim surface in the vehicle. The key needs enough travel to actuate and release with the panel secured, including when the finger approaches off center.

Choose the compound and finish for the local conditions, including temperature exposure, cleaning products and repeated hand contact. Consider these factors together with the button geometry instead of assuming every automotive position has the same requirements. During assembly, make sure the pad remains aligned with the membrane switch and is not stretched by the trim. Inspect for rubbing or a trapped edge if the response changes after the surrounding panel has been refitted.

Material options: Silicone. Custom formulation and color for the intended contact conditions.
Hardness selection: Silicone: 20–80 Shore A. The key needs enough travel to actuate and release with the panel secured, including when the finger approaches off center.
Custom dimensions: The button's visible shape should suit the direction from which the occupant normally reaches it.
Fit & assembly: During assembly, make sure the pad remains aligned with the membrane switch and is not stretched by the trim.
Use & inspection: Choose the compound and finish for the local conditions, including temperature exposure, cleaning products and repeated hand contact.

Photos illustrate structure or material only. The key needs enough travel to actuate and release with the panel secured, including when the finger approaches off center. 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.