High quality molded built-in rubber buttons/silicone keypads

Built-in rubber buttons sit within an enclosure while presenting a flexible operating surface through its openings. Their molded supporting web helps locate the keys, but the surrounding housing must hold that web without restricting the movement needed for each press. The installed relationship between these parts determines the final feel.

Place clamping surfaces away from active flexing areas wherever the design requires those areas to move. A housing rib touching the side of a key can produce drag that is absent when the button is tested loose. The rest height must also agree with the switch position so closing the enclosure does not trigger a command.

During assembly, check that locating pins pass through their intended features without stretching the sheet sideways. Operate every button once the screws and cover are in their final positions. For servicing, lift the rubber evenly instead of pulling on a single key. A torn web can affect alignment across the keypad even if the damaged area is hidden under the front panel.

Material options

Silicone. Custom formulation and color for the intended contact conditions.

Hardness selection

Silicone: 20–80 Shore A. The rest height must also agree with the switch position so closing the enclosure does not trigger a command.

Custom dimensions

Built-in rubber buttons sit within an enclosure while presenting a flexible operating surface through its openings.

Fit & assembly

During assembly, check that locating pins pass through their intended features without stretching the sheet sideways.

Use & inspection

A torn web can affect alignment across the keypad even if the damaged area is hidden under the front panel.

Photos illustrate structure or material only. The rest height must also agree with the switch position so closing the enclosure does not trigger a command. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.