Silicone button rubber keypad waterproof keypad

A silicone button rubber keypad forms a flexible control surface within a compatible enclosure. When water exclusion is required, the molded perimeter and key movement must be developed with the housing. The rubber cannot be evaluated independently of the surfaces that retain and surround it.

Identify where the perimeter is intended to make contact and where each key needs clearance to move. Excessive pressure on the retained edge can affect button travel, while insufficient seating can leave a local gap. Check the layout after the complete case is secured.

Evaluate the finished interface under the intended exposure and operating conditions. Press the keys in their normal directions while checking that the rubber returns without lifting or dragging at an opening. During assembly, keep the mating boundary free from dirt and trapped wiring. For maintenance, inspect the perimeter as well as the visible button faces. Restoring a displaced edge should include correcting whatever pulled it out of position. Use the intended profile and formulation for a replacement so the housing contact and key movement remain coordinated.

Material options

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

Hardness selection

Silicone: 20–80 Shore A. Press the keys in their normal directions while checking that the rubber returns without lifting or dragging at an opening.

Custom dimensions

Identify where the perimeter is intended to make contact and where each key needs clearance to move.

Fit & assembly

Excessive pressure on the retained edge can affect button travel, while insufficient seating can leave a local gap.

Use & inspection

For maintenance, inspect the perimeter as well as the visible button faces.

Photos illustrate structure or material only. When water exclusion is required, the molded perimeter and key movement must be developed with the housing. ETOL directly manufactures custom-shaped silicone and rubber parts to your requirements.