Custom Conductive silicone rubber button keypads

Conductive silicone rubber button keypads combine a flexible pressing surface with conductive features for a matching circuit. Custom size and color options allow the keypad to be developed around an electronic product's layout. The electrical interface depends on correct placement and clean contact areas as well as on the molded key shape.

Plan handling so the underside is not placed on a work surface that carries dust, oils or adhesive residue. Pick up the part at suitable non-contact edges and settle it onto its intended locators. A contact displaced from the corresponding board area can behave inconsistently even if the key top looks correctly positioned.

After the housing is secured, check response from every key and confirm that each returns to its resting position. Compare behavior before and after closing the enclosure if a problem appears. The cause may be compression or alignment rather than the conductive material itself.

During maintenance, avoid scraping the contact surface or applying an improvised coating. Keep the keypad matched to the board and housing version for which it was developed. Changes to key travel, board spacing or locating features should be evaluated together so the intended switching relationship remains intact.

Material options

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

Hardness selection

Silicone: 20–80 Shore A. After the housing is secured, check response from every key and confirm that each returns to its resting position.

Custom dimensions

Changes to key travel, board spacing or locating features should be evaluated together so the intended switching relationship remains intact.

Fit & assembly

The cause may be compression or alignment rather than the conductive material itself.

Use & inspection

The electrical interface depends on correct placement and clean contact areas as well as on the molded key shape.

Photos illustrate structure or material only. Custom size and color options allow the keypad to be developed around an electronic product's layout. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.