Custom manufacturing example · Silicone single button membrane custom made keypad

CUSTOM RUBBER & SILICONE MANUFACTURING

Silicone single button membrane custom made keypad

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

Silicone single button membrane geometry provides a flexible connection between the pressing face and the retained base. This custom keypad component is suited to a single operating position where the surrounding shape can be developed around the product enclosure. Size, hardness, color, and identifying details can follow the device design.

The membrane requires clearance throughout the intended button movement. Place housing supports so that they retain the base without pressing on the region that needs to flex. The height of the exposed face also affects how easily a finger can apply force from the side.

Test the button with the enclosure closed and the internal mechanism in place. A loose molded part cannot show how clamping and actuator position will influence its return. Check short presses, longer holds, and release from an off-center touch. Keep the flexible web free of nicks during installation, especially when guiding the button through a close opening. For care, follow the finished device's cleaning method and avoid forcing sharp objects around the moving edge.

Material options: Silicone. Custom formulation and color for the intended contact conditions.
Hardness selection: Silicone: 20–80 Shore A. Place housing supports so that they retain the base without pressing on the region that needs to flex.
Custom dimensions: The height of the exposed face also affects how easily a finger can apply force from the side.
Fit & assembly: Keep the flexible web free of nicks during installation, especially when guiding the button through a close opening.
Use & inspection: For care, follow the finished device's cleaning method and avoid forcing sharp objects around the moving edge.

Photos illustrate structure or material only. Silicone single button membrane geometry provides a flexible connection between the pressing face and the retained base. 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.