Special-shape silicone push buttons/small rubber key buttons

Small rubber key buttons can be molded in special shapes to fit an irregular control layout. The custom outline may follow a curved panel edge or an available space between other controls. That outline should still provide a pressing surface that moves naturally over its intended internal support.

An asymmetric key can be pressed at several different points. Review the longer end, narrower areas, and corners as well as the center. If the internal support is poorly positioned, an edge press can tilt the key into the enclosure opening. The locating geometry and side clearance should keep the intended movement free throughout the usable surface.

Color and marking can reinforce the key's role in the interface. Keep legends on the visible working area and orient them for the assembled panel. During fitting, ensure that an irregular key has not been reversed into a nearly matching position. Protect thin details from sharp tools and check the return after the surrounding housing is fully secured.

Material options

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

Hardness selection

Silicone: 20–80 Shore A. If the internal support is poorly positioned, an edge press can tilt the key into the enclosure opening.

Custom dimensions

The locating geometry and side clearance should keep the intended movement free throughout the usable surface.

Fit & assembly

Protect thin details from sharp tools and check the return after the surrounding housing is fully secured.

Use & inspection

Small rubber key buttons can be molded in special shapes to fit an irregular control layout.

Photos illustrate structure or material only. The custom outline may follow a curved panel edge or an available space between other controls. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.