... Embossing, Embedded LEDs, UV glossy/matte/textured, etc. Silicone Rubber Keypad Membrane Switch Advantages: 1.Beautiful appearance, rich ... erosion of harmful gases proof, acid and alkali proof, quakeproof. 5. Low cost, high lifespan, membrane switches ... specification is available and keys can make different shapes. Silicone Rubber Keypad Membrane Switch specifications: A.Electric ParameterCircuit ...