Custom manufacturing example · Custom silicone rubber numeric keypads button cover

CUSTOM RUBBER & SILICONE MANUFACTURING

Custom silicone rubber numeric keypads button cover

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

Custom silicone rubber numeric keypads should follow the number layout and contact arrangement of the designated device. The visible key grouping and any covering profile need to allow clear access to each digit without crowding correction, confirmation or other nearby functions.

Develop the dimensions and molded geometry using the actual panel. Check the finished interface at the normal viewing angle and with the enclosure fully assembled. The available space around each moving key can differ from the spacing visible in a flat layout.

Evaluate realistic number-entry sequences, including movement between adjacent digits and the controls used to correct an entry. Look for rubbing, incomplete return or unintended neighboring inputs. The rubber component must be assessed with the selected switching system rather than assigned electrical characteristics on its own. During replacement, preserve the designated numeric layout and underside geometry together so the visible positions continue to correspond to the contacts and functions of the device.

Material options: Silicone. Custom formulation and color for the intended contact conditions.
Hardness selection: Silicone: 20–80 Shore A. The available space around each moving key can differ from the spacing visible in a flat layout.
Custom dimensions: The visible key grouping and any covering profile need to allow clear access to each digit without crowding correction, confirmation or other nearby functions.
Fit & assembly: Check the finished interface at the normal viewing angle and with the enclosure fully assembled.
Use & inspection: During replacement, preserve the designated numeric layout and underside geometry together so the visible positions continue to correspond to the contacts and functions of the device.

Photos illustrate structure or material only. The available space around each moving key can differ from the spacing visible in a flat layout. 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.