Custom keypads printed silicone keypad for PCB

A printed silicone keypad connects visible function labels with the physical positions of a PCB-based control arrangement. Artwork and board layout should be coordinated so each printed command corresponds to the intended underlying input. A correctly printed surface can still give the wrong user experience if the molded sheet is offset or installed in the wrong orientation.

Define the locating features alongside the key pattern. The housing should hold the sheet so its actuators or contact areas register with the board while leaving the active sections free to move. Legend size and contrast need evaluation on the actual key geometry, especially for compact symbols or curved surfaces.

Check every function after the enclosure is assembled, including keys near the sheet perimeter. The printing does not determine the electrical sensing method or establish compatibility with any PCB. During maintenance, protect both the visible marks and the underside contact region from abrasive cleaning and residue. Reassembly should restore the original registration so the controls remain correctly labeled and independently operable.

Material options

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

Hardness selection

Silicone: 20–80 Shore A. Choose the grade with the printed sheet correctly registered to its PCB, so support or orientation errors do not distort the perceived press feel.

Custom dimensions

Legend size and contrast need evaluation on the actual key geometry, especially for compact symbols or curved surfaces.

Fit & assembly

Check every function after the enclosure is assembled, including keys near the sheet perimeter.

Use & inspection

During maintenance, protect both the visible marks and the underside contact region from abrasive cleaning and residue.

Photos illustrate structure or material only. The housing should hold the sheet so its actuators or contact areas register with the board while leaving the active sections free to move. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.