Custom manufacturing example · Membrane rubber keypad waterproof silicone keypad

CUSTOM RUBBER & SILICONE MANUFACTURING

Membrane rubber keypad waterproof silicone 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

A Membrane rubber keypad forms a flexible control face retained within an enclosure. This custom silicone offering allows changes to size, color and molded identification. When the unit is opened for service, preserving the correct position of the membrane edge is as important as returning the visible buttons to their openings.

Lift the keypad only after its retained regions are free. Before refitting it, clear the seating area and examine the edge for a crease, tear or trapped particle. Position the rubber so that it lies without a rolled corner, then bring the housing together slowly enough to see whether the membrane shifts.

Test the complete layout after closure. A trapped section can affect keys some distance from the visible problem by pulling the shared rubber sheet. Where the assembly is intended to resist water, its sealing surfaces also need to be restored correctly during service; no ingress class is stated for this part. If the housing will not close naturally, reopen it and correct the seating instead of forcing the flexible edge into place with the fasteners.

Material options: Silicone. Custom formulation and color for the intended contact conditions.
Hardness selection: Silicone: 20–80 Shore A. If the housing will not close naturally, reopen it and correct the seating instead of forcing the flexible edge into place with the fasteners.
Custom dimensions: Position the rubber so that it lies without a rolled corner, then bring the housing together slowly enough to see whether the membrane shifts.
Fit & assembly: Before refitting it, clear the seating area and examine the edge for a crease, tear or trapped particle.
Use & inspection: When the unit is opened for service, preserving the correct position of the membrane edge is as important as returning the visible buttons to their openings.

Photos illustrate structure or material only. A trapped section can affect keys some distance from the visible problem by pulling the shared rubber sheet. 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.