Custom made small conductive silicone buttons and keypads

Small conductive silicone buttons need accurate location over their board contact areas. The compact size can leave little tolerance for a sheet that has shifted or stretched during fitting. A visible cap centered in the panel does not necessarily confirm that its underside contact reaches the intended region.

Coordinate the molded references with the board and enclosure. The stationary body should remain supported while the narrow flexible sections move without rubbing. Check finger access as well as contact position, especially where the outer controls sit close to a raised panel edge.

Evaluate the assembled interface with realistic presses rather than a test limited to the cap centers. Check release and unintended neighboring registration after normal fastening. Keep the conductive underside protected from dust and handling residue. If a key becomes intermittent after servicing, inspect its seating and free movement before assuming a circuit fault. Small mechanical changes can affect the contact even when the top face and its marking still appear undamaged.

Material options

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

Hardness selection

Silicone: 20–80 Shore A. The compact size can leave little tolerance for a sheet that has shifted or stretched during fitting.

Custom dimensions

Check finger access as well as contact position, especially where the outer controls sit close to a raised panel edge.

Fit & assembly

Evaluate the assembled interface with realistic presses rather than a test limited to the cap centers.

Use & inspection

If a key becomes intermittent after servicing, inspect its seating and free movement before assuming a circuit fault.

Photos illustrate structure or material only. A visible cap centered in the panel does not necessarily confirm that its underside contact reaches the intended region. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.