Custom manufacturing example · Waterproof membrane silicone keypads buttons

CUSTOM RUBBER & SILICONE MANUFACTURING

Waterproof membrane silicone keypads buttons

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

Molded silicone keypads buttons provide flexible controls in a custom membrane layout. The visible space between the keys affects how easily everyday residue can be removed from the control face. Size, color and molded identification can be tailored, but the enclosure openings and the rubber profile should be reviewed together for practical access.

Avoid narrow exposed recesses that can trap debris against a moving key edge. The housing should leave the useful pressing surface visible without creating a ledge that obstructs wiping. If the control needs moisture resistance, assess the whole assembled interface; an easy to clean top surface does not establish the seal beneath it.

For routine care, keep liquid from collecting around a dismantled keypad and ensure the parts are dry before reassembly. Do not insert sharp objects between a key and the housing to remove lodged material. If a key begins to catch after cleaning, inspect its seating and the surrounding gap. A twisted membrane should be refitted rather than worked loose by repeated hard presses.

Material options: Silicone. Custom formulation and color for the intended contact conditions.
Hardness selection: Silicone: 20–80 Shore A. The housing should leave the useful pressing surface visible without creating a ledge that obstructs wiping.
Custom dimensions: Size, color and molded identification can be tailored, but the enclosure openings and the rubber profile should be reviewed together for practical access.
Fit & assembly: If the control needs moisture resistance, assess the whole assembled interface; an easy to clean top surface does not establish the seal beneath it.
Use & inspection: The visible space between the keys affects how easily everyday residue can be removed from the control face.

Photos illustrate structure or material only. For routine care, keep liquid from collecting around a dismantled keypad and ensure the parts are dry before reassembly. 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.