4*4 Silicone Keypad
4*4 silicone keypad is made from translucent silicon rubber with 16 buttons. Each button has a hole underneath that accepts either a 3mm or 5mm standard LED.
4*4 silicone keypad consists of four parts of 4 button pads. There is a conductive circle behind each button, Button force is between 190 and 210grams activation force.
4*4 Silicone Keypad Production
4*4 silicone keypad Design & Structure
1. Silicone Button & Key
2. Silicone Button Pad
3. Button & Key's Web
4. Button Travel
5. Carbon Pills & Graphite Pads ( Conductive Methods)
4*4 silicone keypad Surface Symbols & Icons
1. Silk Screen Printing
2. Laser Etching ( Legends for LED backlight)
3. Embossed & Debossed Molded Symbols
4*4 silicone keypad Surface Treatment
1. Matte Smooth Coating
2. PU Coating
3. Epoxy Coating
4. Silicone Key with plastic button cap
5. Silicone Key with Metal button cap
The protective cover depends on the environment where the key would be used.PU coating is more wearproof, and protective effects is more better than matte smooth coating. However, PU coating is more expensive, and matte smooth coating have good touch feeling.
4*4 silicone keypad Conductive Materials