Rubber Keypad Membrane Switch Description:

POLARIS-KEYPAD can produce the membrane switch with silicone rubber keypad as the operation buttons. This kind of product has very good touch feeling. Rubber keypad is  tough and tensile. Can do laser etching,  PU coating, paint, epoxy on its surface. 

The structure of this kind of product usually is overlay + rubber adhesive + rubber keypad + rubber adhesive + dome retainer + adhesive + circuit layer + rear adhesive; or rubber keypad + rubber adhesive + dome retainer + adhesive + circuit layer + rear adhesive;

Main Material:

1) rubber keypad: usually 50-60° silicone material, color can be black, semi-transparent; Can print the colors as per customer's request; Can do the laser etching, PU coating, painting, epoxy on it;

2) overlay: Autotype PET, PC;

Application:

industrial, medical, machine, equipment, tester, testing meter, airplane, boat etc.

Specifications: 
Maximum circuit rating: 35V DC, 100mA, 1W 
Contact resistance: 10 to 500Ω (varied from the trace length and material) 
Insulation resistance: 100MΩ at 100V 
Dielectric withstand: 250Vrms (50 to 60Hz/minute) 
Contact bounce: 5ms or less 
Tactile type actuation force: 150 to400g(6 to14oz) 
Tactile type switch stroke: 0.6 to1.5mm 
Tactile type life expectancy: 1,000,000 closures or more 
Surface hardness: 3H or more 
OEM orders are welcome