Molded various silicone switch buttons/membrane switch keypad

Custom silicone switch buttons can use different exposed shapes within a membrane-switch keypad layout. The differences should support the intended controls while the underside of each button remains coordinated with its contact position and available travel.

Develop the complete arrangement using the actual panel. Check that a taller or wider key does not restrict access to its neighbors or rub against the enclosure during an off-center press. The supporting sheet should locate consistently without being stretched to align the various shapes.

Evaluate the assembled interface through realistic sequences between the controls. Look for differences caused by housing clearance as well as the molded profiles. The electrical response depends on the chosen contact arrangement and should be assessed with that system. During maintenance, keep replacement layouts matched to the designated functions and underside positions. A set of buttons with the same visible shapes can still be unsuitable if their locating features or contact geometry differ from the original panel configuration.

Material options

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

Hardness selection

Silicone: 20–80 Shore A. The differences should support the intended controls while the underside of each button remains coordinated with its contact position and available travel.

Custom dimensions

A set of buttons with the same visible shapes can still be unsuitable if their locating features or contact geometry differ from the original panel configuration.

Fit & assembly

Check that a taller or wider key does not restrict access to its neighbors or rub against the enclosure during an off-center press.

Use & inspection

During maintenance, keep replacement layouts matched to the designated functions and underside positions.

Photos illustrate structure or material only. The differences should support the intended controls while the underside of each button remains coordinated with its contact position and available travel. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.