Custom manufacturing example · silicone touch keystroke and buttons with conductive carbon pill

CUSTOM RUBBER & SILICONE MANUFACTURING

silicone touch keystroke and buttons with conductive carbon pill

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

Buttons with conductive carbon pill features need the supporting structure to preserve both their pressed and released positions. The pill must meet its intended circuit area during actuation, then clear it when the user releases the key. Housing pressure on the flexible section can interfere with that separation.

Define the board distance and key seating around the complete molded profile. A cover that presses unevenly on the sheet can change one button's rest gap while neighboring controls remain normal. The contact and silicone formulation require evaluation for the actual input arrangement, without an assumed resistance or cycle-life value.

Check operation after final enclosure fastening and after any servicing that moves the board. Handle conductive areas cleanly and keep residue out of the contact cavity. A slow or incomplete release should prompt inspection for mechanical restriction before the button is pressed harder. Replace a damaged locating or flexible section when it no longer maintains the intended relationship between the key and its circuit target.

Material options: Silicone. Custom formulation and color for the intended contact conditions.
Hardness selection: Silicone: 20–80 Shore A. Buttons with conductive carbon pill features need the supporting structure to preserve both their pressed and released positions.
Custom dimensions: Define the board distance and key seating around the complete molded profile.
Fit & assembly: The pill must meet its intended circuit area during actuation, then clear it when the user releases the key.
Use & inspection: Replace a damaged locating or flexible section when it no longer maintains the intended relationship between the key and its circuit target.

Photos illustrate structure or material only. A cover that presses unevenly on the sheet can change one button's rest gap while neighboring controls remain normal. 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.