... keypads, numeric keypads, alarm keypad, control panel keypad, epoxy coated keypad, PU coating keypad, laser etching keypad, spray coating keypad, conductive silicone keypad, rubber keypad, rubber button, plastic ... grade silicone, conductive-rubber or metal plastic keypads and suitable for FDA,SGS,ROHS, HR4040 standard2.Contact resistance: less than 200 ...