Custom manufacturing example · Soft silicone keypad/ Numeric Keypad for mobile

CUSTOM RUBBER & SILICONE MANUFACTURING

Soft silicone keypad/ Numeric Keypad for mobile

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 soft silicone keypad provides flexible numeric keys for a matching mobile control. The molded layout should agree with the housing and internal switching arrangement, allowing the keys to move individually and return after pressing. Custom geometry can accommodate the size available on the device.

Review the keypad while the device is held in its normal position. A thumb press may arrive at an angle and cover more than one small key face. Spacing and panel clearance should help distinguish the intended input without holding adjacent rubber sections down.

Check the outer rows after the case is secured, because the retained perimeter can affect their movement differently from the center. The keypad needs stable location above the board rather than extra pressure from the housing to keep it aligned. During assembly, protect the underside from dust and residue. For care, clear buildup from the visible key gaps without forcing contamination inside the device. If a key feels different after repair, inspect the pad position and panel opening before altering the molded silicone or its supporting contact.

Material options: Silicone. Custom formulation and color for the intended contact conditions.
Hardness selection: Silicone: 20–80 Shore A. The molded layout should agree with the housing and internal switching arrangement, allowing the keys to move individually and return after pressing.
Custom dimensions: Spacing and panel clearance should help distinguish the intended input without holding adjacent rubber sections down.
Fit & assembly: Check the outer rows after the case is secured, because the retained perimeter can affect their movement differently from the center.
Use & inspection: If a key feels different after repair, inspect the pad position and panel opening before altering the molded silicone or its supporting contact.

Photos illustrate structure or material only. The keypad needs stable location above the board rather than extra pressure from the housing to keep it aligned. 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.