Customized silicone rubber keypads/keyboards/silicone buttons

Silicone rubber keypads can integrate a group of buttons into a single molded sheet, reducing the number of loose pieces handled during assembly. The sheet still needs accurate location: every button must arrive at its panel opening while the corresponding underside feature meets the intended board position.

A custom keyboard design should establish its reference points early. Locating holes, edge restraints, and support areas need to work together without stretching the sheet into place. If the board and enclosure each position the keypad differently, tightening the assembly can introduce distortion that is difficult to see from the outside.

Check fit across the entire layout rather than judging it from one central button. Small alignment errors can become more apparent at the far ends of a wider sheet. Press the outer controls after the housing is fully secured and look for rubbing or uneven return. During servicing, note how the sheet seats before removing it, then keep its underside away from loose hardware and sharp edges. Correct reseating is as important as preserving the visible button surfaces.

Material options

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

Hardness selection

Silicone: 20–80 Shore A. Press the outer controls after the housing is fully secured and look for rubbing or uneven return.

Custom dimensions

The sheet still needs accurate location: every button must arrive at its panel opening while the corresponding underside feature meets the intended board position.

Fit & assembly

If the board and enclosure each position the keypad differently, tightening the assembly can introduce distortion that is difficult to see from the outside.

Use & inspection

During servicing, note how the sheet seats before removing it, then keep its underside away from loose hardware and sharp edges.

Photos illustrate structure or material only. The sheet still needs accurate location: every button must arrive at its panel opening while the corresponding underside feature meets the intended board position. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.