Transparent silicone numeric keypads/4*4 rubber key buttons

Transparent silicone numeric keypads can be developed in a 4 by 4 arrangement for a compact group of physical controls. The sixteen positions need to correspond to the intended numbers and functions, with the molded sheet located accurately over the selected switching system. The transparent appearance is part of the design and does not by itself define an illumination arrangement.

The rows and columns should provide clear finger targets within the available panel area. Review movement between neighboring keys and across diagonal sequences. Outer keys may be approached differently where the bezel borders the matrix, so check their usable surface as well as the central positions. The whole sheet should remain supported without a fold drawing one row out of alignment.

Legends can be printed or formed with the available marking methods. Their visibility depends on the background seen through or around the transparent material, so assess contrast on the complete assembly. If lighting is included in the product, evaluate it together with the keypad and surrounding enclosure rather than assuming transparency creates even light distribution.

During fitting, keep the material and contact region clean. Once the housing is fastened, check that each position operates and returns independently. The custom dimensions should preserve that mechanical function while providing the intended clear visual appearance.

Material options

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

Hardness selection

Silicone: 20–80 Shore A. Once the housing is fastened, check that each position operates and returns independently.

Custom dimensions

The sixteen positions need to correspond to the intended numbers and functions, with the molded sheet located accurately over the selected switching system.

Fit & assembly

The whole sheet should remain supported without a fold drawing one row out of alignment.

Use & inspection

During fitting, keep the material and contact region clean.

Photos illustrate structure or material only. The rows and columns should provide clear finger targets within the available panel area. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.