Dust-proof silicone computer keypad/conductive touch buttons

A silicone computer keypad places flexible controls over a matching electronic input arrangement. Conductive features, where included in the selected design, need to register with the circuit while the visible keys remain accessible through the enclosure. The keypad does not independently define a capacitive or other sensing system.

For dust-related requirements, evaluate the complete housing, key openings and perimeter contacts. The silicone sheet alone does not establish a dustproof enclosure. Its locating and clamping features should hold the part without restricting the movement needed for each key to return.

Check operation with the computer control assembled, especially after the housing has been opened. Keep the underside contact areas clean and avoid pushing loose debris through the openings during cleaning. If a key becomes intermittent, inspect board alignment and sheet seating as well as the contact surface. Restoring the intended mechanical relationship is necessary before assessing whether the rubber or conductive feature itself has deteriorated.

Material options

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

Hardness selection

Silicone: 20–80 Shore A. A silicone computer keypad places flexible controls over a matching electronic input arrangement.

Custom dimensions

For dust-related requirements, evaluate the complete housing, key openings and perimeter contacts.

Fit & assembly

If a key becomes intermittent, inspect board alignment and sheet seating as well as the contact surface.

Use & inspection

Keep the underside contact areas clean and avoid pushing loose debris through the openings during cleaning.

Photos illustrate structure or material only. Conductive features, where included in the selected design, need to register with the circuit while the visible keys remain accessible through the enclosure. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.