Different sizes silicone switch buttons/small rubber key buttons

Different sizes of small rubber key buttons allow a control layout to be developed around the available enclosure area. The useful size is the one that provides a clear pressing target while leaving adequate separation and movement clearance. A larger key surface can change finger access without requiring the same change to the hidden locating profile.

Review the button in relation to its neighbors. The user should be able to select it without pressing across another command, and the key must return without rubbing the surrounding opening. The support beneath it should remain aligned with the intended pressing area. Assess these relationships with the housing secured rather than only comparing loose buttons.

Markings and colors can distinguish versions or commands. Keep those details tied to the actual layout so a visually similar key is not fitted in the wrong position. During assembly, confirm that the chosen size seats naturally. A key that needs to be stretched or trimmed is unlikely to preserve the intended travel and clearance.

Material options

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

Hardness selection

Silicone: 20–80 Shore A. The user should be able to select it without pressing across another command, and the key must return without rubbing the surrounding opening.

Custom dimensions

The useful size is the one that provides a clear pressing target while leaving adequate separation and movement clearance.

Fit & assembly

The support beneath it should remain aligned with the intended pressing area.

Use & inspection

Different sizes of small rubber key buttons allow a control layout to be developed around the available enclosure area.

Photos illustrate structure or material only. A larger key surface can change finger access without requiring the same change to the hidden locating profile. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.