High quality silicone rubber keypads/prototype key buttons

Prototype silicone rubber keypads can combine custom molded buttons with the markings planned for a control interface. Printing, embossed or debossed details, and color-filled legends allow the visible command to be assessed on the actual key surface. The prototype is most useful when that surface is viewed within the intended enclosure.

Check the available legend area after fitting. The bezel may hide a margin, and a curved key top can affect how small symbols appear. The chosen marking should stay readable in the normal operating direction without crowding the edge. Its position should also correspond to the physical point the user presses.

Operate the prototype with the matching internal support to assess travel and release. A change to the key outline can alter both the usable print area and how an edge press behaves. Keep those relationships connected during development rather than judging appearance separately from fit. Handle the prototype carefully between evaluations and inspect for damage that could affect later observations of the key's movement.

Material options

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

Hardness selection

Silicone: 20–80 Shore A. Operate the prototype with the matching internal support to assess travel and release.

Custom dimensions

A change to the key outline can alter both the usable print area and how an edge press behaves.

Fit & assembly

Printing, embossed or debossed details, and color-filled legends allow the visible command to be assessed on the actual key surface.

Use & inspection

Handle the prototype carefully between evaluations and inspect for damage that could affect later observations of the key's movement.

Photos illustrate structure or material only. Custom prototype key buttons can combine a molded silicone shape with the markings planned for a control interface. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.