conductive silicone keypads/silicone elastic key buttons/keystroke

Conductive silicone keypads rely on both contact during a press and separation after release. The molded key geometry and supporting web must allow that return movement within the assembled enclosure. A contact that registers reliably during pressing can still leave an input active if the housing keeps the key partly depressed.

Check the rest gap, board position and clearance around each moving wall. Locating features should hold the sheet without pulling it sideways across the circuit pattern. The elastic response of a loose key does not establish a particular actuation force or service life in the finished device.

Evaluate individual keys through complete press-and-release cycles, including off-center operation where relevant. During maintenance, remove residue around the housing openings without contaminating the underside contact areas. If a key becomes slow to return after reassembly, inspect for a pinched edge or altered board spacing. Replacing the material with a harder formulation should not be used as a substitute for correcting an unintended mechanical obstruction.

Material options

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

Hardness selection

Silicone: 20–80 Shore A. The molded key geometry and supporting web must allow that return movement within the assembled enclosure.

Custom dimensions

Check the rest gap, board position and clearance around each moving wall.

Fit & assembly

Evaluate individual keys through complete press-and-release cycles, including off-center operation where relevant.

Use & inspection

During maintenance, remove residue around the housing openings without contaminating the underside contact areas.

Photos illustrate structure or material only. The molded key geometry and supporting web must allow that return movement within the assembled enclosure. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.